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
2022-04-02 12:39:56 C 16 54 23.419 +32 25 24.42 V T08
2022-04-02 13:01:12 C 16 54 19.363 +32 25 50.23 V T08
2022-04-03 02:08:54 C 16 52 00.32 +32 41 10.5 q Z66
2022-04-03 02:22:04 C 16 51 57.92 +32 41 26.2 q Z66
2022-04-03 02:35:55 C 16 51 55.38 +32 41 42.5 q Z66
2022-04-05 10:46:54 C 16 42 32.504 +33 38 59.78 V 703
2022-04-05 10:54:30 C 16 42 31.259 +33 39 06.41 V 703
2022-04-05 11:02:05 C 16 42 29.927 +33 39 13.50 V 703
2022-04-05 11:09:40 C 16 42 28.642 +33 39 20.56 V 703
2022-04-08 10:42:51 C 16 31 38.19 +34 33 49.1 V 703
2022-04-08 10:50:25 C 16 31 37.18 +34 33 53.9 V 703
2022-04-08 10:57:57 C 16 31 35.94 +34 33 58.2 V 703
2022-04-10 09:29:57 C 16 25 06.085 +35 00 10.55 V 703
2022-04-10 09:37:45 C 16 25 04.930 +35 00 15.08 V 703
2022-04-10 09:45:33 C 16 25 03.814 +35 00 18.50 V 703
2022-04-10 09:53:23 C 16 25 02.809 +35 00 22.43 V 703
2022-04-11 09:32:28 C 16 21 53.075 +35 11 15.14 V G96
2022-04-11 09:39:56 C 16 21 52.034 +35 11 18.71 V G96
2022-04-11 09:47:23 C 16 21 50.994 +35 11 21.70 V G96
2022-04-13 09:53:59 C 16 15 41.119 +35 28 53.69 V 703
2022-04-13 10:02:06 C 16 15 40.115 +35 28 56.21 V 703
2022-04-13 10:18:41 C 16 15 37.667 +35 29 01.10 V 703
2022-04-13 23:22:25 C 16 14 01.94 +35 32 38.7 X B88
2022-04-13 23:50:43 C 16 13 58.39 +35 32 47.3 X B88
2022-04-14 00:18:46 C 16 13 54.78 +35 32 55.9 X B88
2022-04-14 23:22:38 C 16 11 07.67 +35 38 33.0 X B88
2022-04-14 23:50:38 C 16 11 04.14 +35 38 40.0 X B88
2022-04-15 00:18:23 C 16 11 00.69 +35 38 46.9 X B88
2022-04-15 23:52:37 C 16 08 14.29 +35 43 17.4 X B88
2022-04-16 00:20:23 C 16 08 10.95 +35 43 22.4 X B88
2022-04-16 00:47:55 C 16 08 07.54 +35 43 26.4 X B88
2022-04-16 23:57:13 C 16 05 28.50 +35 46 42.0 X B88
2022-04-17 00:34:52 C 16 05 24.04 +35 46 47.0 X B88
2022-04-17 01:12:36 C 16 05 19.57 +35 46 51.7 X B88
2022-04-17 21:29:04 C 16 03 04.488 +35 48 40.54 X B72
2022-04-17 21:34:07 C 16 03 03.883 +35 48 40.36 X B72
2022-04-17 21:39:12 C 16 03 03.250 +35 48 40.03 X B72
2022-04-18 23:57:28 C 16 00 10.59 +35 50 06.2 X B88
2022-04-19 00:37:40 C 16 00 06.05 +35 50 08.1 X B88
2022-04-19 01:12:43 C 16 00 02.05 +35 50 09.1 X B88
2022-04-19 22:08:59 C 15 57 49.426 +35 50 10.72 q A17
2022-04-19 22:27:25 C 15 57 47.429 +35 50 10.86 q A17
2022-04-19 22:50:06 C 15 57 44.942 +35 50 10.93 q A17
2022-04-22 09:24:58 C 15 51 46.228 +35 46 36.73 V 703
2022-04-22 09:40:14 C 15 51 44.683 +35 46 34.75 V 703
2022-04-22 09:47:55 C 15 51 43.823 +35 46 32.34 V 703
2022-04-23 09:22:29 C 15 49 26.288 +35 43 29.28 V G96
2022-04-23 09:30:06 C 15 49 25.511 +35 43 28.34 V G96
2022-04-23 09:37:39 C 15 49 24.740 +35 43 27.12 V G96
2022-04-23 09:45:10 C 15 49 23.952 +35 43 26.00 V G96