Asteroid close approaches in September 2021
175 asteroids passed within 0.05 AU of Earth in September 2021 - that is about 7.5 million km, or 19.5 lunar distances (LD). Click any name for full details.
AsteroidDate (UTC)DistanceSpeedEst. size
2021 QC1 01 Sep, 09:58 15.18 LD 12.8 km/s 72-161 m 2021 RA 01 Sep, 12:26 2.74 LD 11.1 km/s 31-68 m 2021 QY1 02 Sep, 01:22 8.39 LD 5.2 km/s 13-30 m 2021 RK1 02 Sep, 02:13 3.38 LD 14.3 km/s 10-22 m 2021 RN5 02 Sep, 07:43 0.98 LD 14.1 km/s 8-18 m 2021 RR14 02 Sep, 09:28 6.83 LD 2.7 km/s 11-25 m 2021 QM2 02 Sep, 10:16 1.31 LD 16.9 km/s 5-12 m 2021 RM6 02 Sep, 13:19 13.71 LD 7.6 km/s 19-41 m 2021 RH5 02 Sep, 19:21 17.8 LD 12.4 km/s 24-54 m 2021 RD239 02 Sep, 20:40 0.57 LD 9.7 km/s 6-12 m 2021 RK4 02 Sep, 22:02 12.35 LD 9.7 km/s 16-36 m 2022 RS1 02 Sep, 22:12 6.83 LD 3.9 km/s 8-17 m 2021 RT7 03 Sep, 00:28 13.98 LD 8.8 km/s 16-35 m 2021 QB3 03 Sep, 01:08 1.74 LD 6.6 km/s 47-105 m 2021 RZ9 03 Sep, 11:36 6.16 LD 11.2 km/s 15-34 m 2021 RH 03 Sep, 20:17 7.41 LD 8.1 km/s 19-41 m 2021 RT1 04 Sep, 01:43 5.78 LD 20.6 km/s 24-54 m 2021 RF 04 Sep, 05:16 1.28 LD 7.4 km/s 8-17 m 2021 RV2 04 Sep, 17:02 10.52 LD 6 km/s 16-36 m 2021 RA10 04 Sep, 20:21 1.93 LD 5.2 km/s 22-49 m 2021 RF19 05 Sep, 07:54 10.24 LD 5.7 km/s 9-19 m 2021 RW5 05 Sep, 09:58 1.84 LD 9 km/s 11-25 m 2021 RJ5 05 Sep, 11:52 6 LD 13.6 km/s 9-20 m 2015 SW6 05 Sep, 21:56 15.86 LD 9.9 km/s 34-77 m 2021 QM1 06 Sep, 02:13 6.98 LD 21.2 km/s 37-82 m 2021 QW 06 Sep, 03:03 14.29 LD 13 km/s 60-134 m 2021 TV9 06 Sep, 07:27 18.82 LD 3.7 km/s 23-50 m 2021 RT4 06 Sep, 09:22 0.69 LD 9.7 km/s 6-14 m 2021 RB1 06 Sep, 10:24 7.76 LD 15.4 km/s 41-91 m 2021 RG2 06 Sep, 11:35 8.35 LD 8.8 km/s 22-50 m 2021 RF6 06 Sep, 13:02 2.14 LD 10.3 km/s 6-12 m 2019 UY3 06 Sep, 16:22 17.65 LD 5 km/s 44-97 m 2021 RV9 06 Sep, 19:13 7.66 LD 8.3 km/s 11-24 m 2021 RF10 06 Sep, 20:37 9.84 LD 13.5 km/s 18-41 m 2021 RY7 06 Sep, 22:21 8.95 LD 21.5 km/s 15-33 m 2021 RM14 06 Sep, 23:54 18.56 LD 7.5 km/s 17-38 m 2021 SG49 07 Sep, 00:46 15.43 LD 9.5 km/s 16-36 m 2021 QH1 07 Sep, 01:45 2.23 LD 7.8 km/s 20-46 m 2021 RJ6 07 Sep, 05:50 2.56 LD 8 km/s 12-28 m 2021 RS100 07 Sep, 06:02 0.5 LD 20.1 km/s 5-11 m 2021 RC15 07 Sep, 10:34 7.25 LD 11 km/s 17-37 m 2021 RY4 07 Sep, 11:04 1.35 LD 9.5 km/s 5-12 m 2021 RE2 07 Sep, 15:37 13.06 LD 4.9 km/s 9-19 m 2021 RH2 07 Sep, 22:19 15.63 LD 16.5 km/s 39-88 m 2021 RB 08 Sep, 01:53 12.66 LD 7.4 km/s 16-36 m 2021 QY3 08 Sep, 02:46 8 LD 11.5 km/s 19-41 m 2021 RS2 08 Sep, 07:28 0.06 LD 17.6 km/s 2-5 m 2021 RU10 08 Sep, 08:19 9.2 LD 13.6 km/s 22-50 m 2021 RP2 08 Sep, 13:50 0.31 LD 5.1 km/s 2-5 m 2021 RS5 08 Sep, 15:14 0.36 LD 8 km/s 6-13 m 2021 RU7 08 Sep, 17:40 17.22 LD 11.4 km/s 54-120 m 2021 RF15 08 Sep, 18:33 2.99 LD 13 km/s 15-34 m 2021 RQ2 09 Sep, 00:43 0.49 LD 3.8 km/s 3-7 m 2021 RM3 09 Sep, 03:07 4.3 LD 7.1 km/s 8-17 m 2021 QG 09 Sep, 05:35 6.22 LD 5.8 km/s 16-36 m 2021 RD16 09 Sep, 05:49 11.91 LD 14.9 km/s 25-55 m 2021 RC10 09 Sep, 07:18 7.23 LD 10.2 km/s 45-101 m 2010 RJ53 09 Sep, 09:33 8.3 LD 19.1 km/s 48-108 m 2021 RJ19 09 Sep, 14:47 14.68 LD 9.5 km/s 18-41 m 2021 RB6 09 Sep, 16:16 0.67 LD 9.4 km/s 7-15 m 2021 SJ 10 Sep, 02:42 16.41 LD 9.4 km/s 36-79 m 2023 SP2 10 Sep, 02:50 18.94 LD 3.9 km/s 6-13 m 2021 RN10 10 Sep, 06:00 1.91 LD 16.6 km/s 8-19 m 2020 KR2 10 Sep, 12:03 14.11 LD 5.1 km/s 13-28 m 2021 TW14 10 Sep, 12:32 18.46 LD 15.3 km/s 34-77 m 2018 QE 10 Sep, 15:15 5.86 LD 3.8 km/s 7-15 m 2021 RZ5 10 Sep, 15:50 9.25 LD 6.9 km/s 19-43 m 2021 RE 10 Sep, 16:00 14.42 LD 12.9 km/s 64-144 m 2021 RF12 10 Sep, 17:23 1.96 LD 12.4 km/s 7-15 m 2021 RA8 10 Sep, 19:47 2.38 LD 10.1 km/s 7-16 m 2021 RS14 11 Sep, 00:07 1.3 LD 11.1 km/s 6-14 m 2021 RQ1 11 Sep, 01:14 16.62 LD 6.7 km/s 14-32 m 2021 RO16 11 Sep, 05:06 2.86 LD 7.7 km/s 13-29 m 2021 RV1 11 Sep, 05:22 6.27 LD 6.9 km/s 9-20 m 2021 RL14 11 Sep, 10:46 1.81 LD 9.9 km/s 8-19 m 2021 RT2 11 Sep, 14:07 17.68 LD 6.4 km/s 15-34 m 2021 RG6 11 Sep, 15:31 0.22 LD 7.4 km/s 4-10 m 2021 RQ4 11 Sep, 16:40 2.32 LD 7.3 km/s 4-10 m 2021 RF3 11 Sep, 16:44 13.42 LD 11.2 km/s 15-33 m 2021 SD1 11 Sep, 17:29 18.44 LD 15.6 km/s 28-62 m 2021 RG12 11 Sep, 18:47 0.84 LD 3 km/s 4-9 m 2021 RU1 11 Sep, 19:13 8.14 LD 5 km/s 11-25 m 2021 RK6 11 Sep, 19:49 10.42 LD 7.3 km/s 12-27 m 2021 RH6 11 Sep, 20:36 1.58 LD 9.6 km/s 4-8 m 2021 RJ14 11 Sep, 22:37 4.13 LD 8.3 km/s 23-52 m 2021 RR19 12 Sep, 01:14 4.41 LD 10.2 km/s 12-26 m 2021 RK14 12 Sep, 02:09 11.57 LD 8.6 km/s 48-108 m 2021 RL15 12 Sep, 04:38 11.29 LD 6.8 km/s 12-28 m 2021 SJ2 12 Sep, 14:45 12.74 LD 9.8 km/s 19-42 m 2021 SO2 12 Sep, 16:33 7.02 LD 4.2 km/s 39-88 m 2021 RR5 12 Sep, 17:44 0.2 LD 9 km/s 6-12 m 2021 RY3 13 Sep, 07:37 12.95 LD 11.2 km/s 20-44 m 2008 CD6 13 Sep, 12:16 4.02 LD 14.4 km/s 46-102 m 2021 SC 13 Sep, 18:31 3.08 LD 7.1 km/s 6-14 m 2021 QR3 14 Sep, 00:44 16.6 LD 14.6 km/s 44-98 m 2021 RX5 14 Sep, 06:03 7.22 LD 8.1 km/s 48-107 m 2021 RZ4 14 Sep, 06:30 15.94 LD 6.7 km/s 13-29 m 2021 TW1 14 Sep, 17:20 18.59 LD 8.7 km/s 41-91 m 2021 SE 15 Sep, 06:49 4.33 LD 12.8 km/s 16-35 m 2021 SA 15 Sep, 08:18 1.59 LD 10 km/s 14-30 m 2021 RP16 15 Sep, 11:42 8.74 LD 10.9 km/s 15-33 m 2021 RL6 16 Sep, 00:57 14.64 LD 11.9 km/s 11-25 m 2021 RM10 16 Sep, 01:49 16.72 LD 12.3 km/s 22-50 m 2021 SU 16 Sep, 04:54 14.58 LD 11 km/s 29-65 m 2021 SL5 16 Sep, 05:30 3.03 LD 9.3 km/s 19-42 m 2021 RO14 16 Sep, 05:58 14.74 LD 11.7 km/s 14-31 m 2021 QG2 16 Sep, 08:33 18.01 LD 7.3 km/s 22-49 m 2021 RF16 16 Sep, 09:19 0.83 LD 8.6 km/s 4-10 m 2021 QV5 16 Sep, 15:47 12.78 LD 15.4 km/s 35-78 m 2021 SG 16 Sep, 20:28 0.64 LD 23.8 km/s 42-94 m 2021 RQ9 17 Sep, 06:50 1.33 LD 13.2 km/s 15-33 m 2021 SP 17 Sep, 11:50 0.04 LD 14.4 km/s 4-8 m 2021 SD 17 Sep, 15:07 4.11 LD 10.3 km/s 11-24 m 2021 SH5 17 Sep, 17:15 18.75 LD 10.4 km/s 19-43 m 2021 SH 18 Sep, 01:32 4.07 LD 6.8 km/s 9-20 m 2021 RY5 18 Sep, 10:03 3.49 LD 9.2 km/s 21-46 m 2021 RR4 18 Sep, 10:16 13.63 LD 5.9 km/s 11-25 m 2021 TE 18 Sep, 15:31 19.45 LD 10.6 km/s 49-109 m 2021 RH12 18 Sep, 22:25 1.14 LD 5.6 km/s 5-12 m 2021 QA2 18 Sep, 23:16 10.6 LD 13 km/s 41-92 m 2021 TU 19 Sep, 15:52 9.33 LD 4.5 km/s 5-12 m 2021 RN14 19 Sep, 23:12 1.91 LD 12.2 km/s 11-25 m 2021 SB 20 Sep, 02:34 14.31 LD 10.8 km/s 16-36 m 2021 SW 20 Sep, 03:05 1.36 LD 10.4 km/s 7-15 m 2021 RZ7 20 Sep, 13:54 6.2 LD 13.5 km/s 18-40 m 2017 SL16 20 Sep, 14:48 12.73 LD 6.1 km/s 17-39 m 2021 SQ 20 Sep, 14:53 0.72 LD 10.7 km/s 6-12 m 2021 SB2 20 Sep, 15:34 9.59 LD 7 km/s 13-28 m 2021 RL3 20 Sep, 15:39 7.6 LD 22.5 km/s 48-108 m 2021 SP2 20 Sep, 18:41 7.88 LD 6.8 km/s 19-43 m 2021 RV19 21 Sep, 03:33 7.63 LD 9.5 km/s 14-32 m 2025 FP 21 Sep, 03:42 13.81 LD 8.5 km/s 10-21 m 2021 RX9 21 Sep, 04:40 8.23 LD 14.6 km/s 17-38 m 2021 RP9 21 Sep, 11:12 15.71 LD 18 km/s 34-76 m 2021 RN16 21 Sep, 11:49 1.25 LD 9.7 km/s 6-12 m 2021 SU1 21 Sep, 17:20 1.51 LD 6.3 km/s 13-29 m 2021 SO 22 Sep, 08:30 15.12 LD 5.7 km/s 23-51 m 2021 SA2 22 Sep, 09:32 10.63 LD 13.5 km/s 15-34 m 2021 RS 22 Sep, 10:49 18.52 LD 3.4 km/s 27-61 m 2021 SG1 22 Sep, 11:33 5.47 LD 8.3 km/s 21-46 m 2021 NY1 22 Sep, 14:41 3.9 LD 9.4 km/s 114-255 m 2021 SK 24 Sep, 01:28 13.3 LD 12.8 km/s 23-50 m 2021 QV6 24 Sep, 03:47 9.27 LD 13.1 km/s 69-154 m 2021 TD1 24 Sep, 09:21 6.33 LD 10.5 km/s 17-37 m 2021 SO1 25 Sep, 01:08 14.31 LD 7.1 km/s 11-24 m 2021 SW2 25 Sep, 04:11 2.9 LD 22 km/s 19-42 m 2019 SF6 25 Sep, 07:53 14.77 LD 8.7 km/s 15-33 m 2021 TH1 25 Sep, 08:47 3.56 LD 7.1 km/s 7-15 m 2021 TF 26 Sep, 19:01 14.09 LD 16.4 km/s 22-49 m 2021 SW1 26 Sep, 21:07 0.71 LD 10.8 km/s 3-6 m 2021 TE3 26 Sep, 22:29 2.15 LD 6.6 km/s 7-15 m 2021 SH3 27 Sep, 01:43 13.47 LD 12 km/s 20-45 m 2021 TK2 27 Sep, 02:35 17.51 LD 10.2 km/s 36-81 m 2021 RP10 27 Sep, 03:56 9.61 LD 16.4 km/s 31-69 m 2021 SY2 27 Sep, 06:32 10.26 LD 5 km/s 16-35 m 2021 SQ1 27 Sep, 10:26 0.43 LD 13.4 km/s 5-10 m 2021 TC 27 Sep, 10:31 11.87 LD 23.9 km/s 40-89 m 2021 TB4 27 Sep, 13:25 16.19 LD 18.3 km/s 30-66 m 2021 TA1 27 Sep, 21:04 15.26 LD 8.7 km/s 21-46 m 2021 SY3 27 Sep, 23:10 3.39 LD 6.9 km/s 11-24 m 2021 SR2 28 Sep, 03:37 2.14 LD 11.1 km/s 17-38 m 2023 HZ 28 Sep, 04:29 14.27 LD 12.1 km/s 4-9 m 2021 SK1 28 Sep, 12:38 7.37 LD 14.2 km/s 23-52 m 2021 RG19 28 Sep, 22:02 2.15 LD 15.4 km/s 30-67 m 2021 TF10 28 Sep, 23:02 16.95 LD 8.6 km/s 10-22 m 2021 ST1 28 Sep, 23:34 4.72 LD 10.6 km/s 11-24 m 2021 TU12 29 Sep, 05:10 13.2 LD 9.4 km/s 38-86 m 2021 TD 29 Sep, 10:25 5.56 LD 11.5 km/s 12-27 m 2021 SJ88 29 Sep, 20:50 1.01 LD 10.8 km/s 2-4 m 2021 RM5 30 Sep, 04:35 10.85 LD 4.1 km/s 13-30 m 2021 TD7 30 Sep, 08:50 10.07 LD 13.3 km/s 12-28 m 2022 SU7 30 Sep, 09:16 7.26 LD 4.4 km/s 6-13 m 2021 RF2 30 Sep, 12:00 7.31 LD 5.4 km/s 19-42 m 2021 TT 30 Sep, 14:17 0.34 LD 15.9 km/s 7-15 m 2021 TY 30 Sep, 15:27 16.6 LD 11.9 km/s 13-28 m 
