2021 SR41

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6506236825 ± 4.42e-08
Semi-major axis (a)2.3782175011 AU ± 2.36e-07
Inclination (i)21.94614715° ± 7.84e-06
Long. of Asc. Node (Ω)172.09663398° ± 9.46e-06
Arg. of Perihelion (ω)319.89322416° ± 1.01e-05
Mean Anomaly (M)10.52734843° ± 5.56e-05
Mean Motion (n)0.2687416134°/day ± 3.99e-08
Perihelion dist (q)0.83089287 AU ± 1.34e-07
Aphelion dist (Q)3.92554213 AU ± 4.03e-07
Orbital Period3.66756109 yr ± 5.45e-07
Physical Parameters
H (abs. magnitude)19.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.283″
Uncertainty0
Orbit TypeApollo
MOID0.062937 AU
Observations Used147
Oppositions4
Arc Total2017-2022
First Observation Used2017-09-22
Last Observation Used2022-05-24
Observations (162)
Date Type RA Dec Mag Band Observatory
2017-09-22 09:44:22 C 23 07 55.309 -04 35 22.32 V F51
2017-09-25 09:50:26 C 23 04 40.775 -05 12 37.77 V F51
2017-09-28 10:08:24 C 23 01 29.817 -05 49 35.24 V F51
2021-09-04 13:11:11 C 02 04 57.657 +01 19 29.34 V F51
2021-09-04 13:28:02 C 02 04 57.815 +01 19 20.07 V F51
2021-09-10 12:42:29 C 02 06 13.428 -00 14 25.80 V F52
2021-09-10 13:00:05 C 02 06 13.464 -00 14 38.71 V F52
2021-09-15 11:21:35 C 02 06 27.598 -01 45 29.63 V F52
2021-09-15 11:38:58 C 02 06 27.544 -01 45 43.79 V F52
2021-09-15 11:56:16 C 02 06 27.489 -01 45 58.17 V F52
2021-09-15 12:13:42 C 02 06 27.419 -01 46 12.51 V F52
2021-09-15 14:10:01 C 02 06 26.990 -01 47 47.96 V F51
2021-09-27 11:33:52 C 02 03 31.680 -06 20 34.62 V F52
2021-09-27 11:51:21 C 02 03 31.283 -06 20 53.91 V F52
2021-09-27 12:08:51 C 02 03 30.884 -06 21 12.84 V F52
2021-09-29 12:54:38 C 02 02 28.348 -07 15 23.81 V F51
2021-09-29 13:11:35 C 02 02 27.940 -07 15 42.96 V F51
2021-09-29 13:45:31 C 02 02 27.057 -07 16 21.40 V F51
2021-09-30 10:18:01 C 02 01 58.208 -07 39 49.37 U F51
2021-09-30 10:37:31 C 02 01 57.678 -07 40 12.01 U F51
2021-09-30 10:56:59 C 02 01 57.170 -07 40 34.35 U F51
2021-10-26 10:03:37 C 01 33 41.169 -21 21 17.36 V F52
2021-10-26 10:33:08 C 01 33 39.220 -21 21 56.54 V F52
2021-10-26 10:47:49 C 01 33 38.266 -21 22 16.33 V F52
2021-10-31 09:19:47 C 01 26 04.058 -23 56 39.71 U F51
2021-10-31 09:36:29 C 01 26 02.908 -23 57 00.71 U F51
2021-10-31 09:53:12 C 01 26 01.761 -23 57 21.75 U F51
2021-10-31 12:24:50 C 01 25 51.415 -24 00 31.34 V F51
2021-10-31 12:25:46 C 01 25 51.346 -24 00 32.37 V F51
2021-11-01 06:32:40 C 01 24 40.93 -24 23 15.6 o 691
2021-11-01 06:39:52 C 01 24 40.43 -24 23 24.2 o 691
2021-11-01 06:47:04 C 01 24 39.96 -24 23 33.2 o 691
2021-11-03 04:14:54 C 01 21 41.80 -25 19 11.5 V I52
2021-11-03 04:18:13 C 01 21 41.58 -25 19 15.5 V I52
2021-11-03 04:21:32 C 01 21 41.35 -25 19 19.6 V I52
2021-11-03 04:24:51 C 01 21 41.11 -25 19 24.1 V I52
2021-12-01 10:59:22 C 00 46 05.85 -34 36 56.7 V 474
2021-12-01 11:04:26 C 00 46 05.70 -34 36 58.7 V 474
2021-12-01 11:09:30 C 00 46 05.54 -34 37 00.7 V 474
2021-12-01 11:14:34 C 00 46 05.39 -34 37 02.9 V 474
2021-12-02 02:17:51 C 00 45 39.81 -34 43 46.9 u 807
2021-12-02 02:25:54 C 00 45 39.62 -34 43 49.7 u 807
2021-12-02 02:33:51 C 00 45 39.29 -34 43 53.2 u 807
2022-01-06 10:46:29 C 00 51 42.74 -37 29 20.8 V 474
2022-01-06 11:06:45 C 00 51 43.35 -37 29 21.7 V 474
2022-03-12 12:11:44 C 19 57 03.01 -04 54 56.5 V I52
2022-03-12 12:12:08 C 19 57 02.71 -04 54 52.6 V I52
2022-03-12 12:12:33 C 19 57 02.39 -04 54 48.1 V I52
2022-03-17 11:52:03 C 18 46 45.34 +12 00 35.8 V I52
2022-03-17 11:52:25 C 18 46 45.12 +12 00 38.8 V I52