2021 SR3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5072984594 ± 4.84e-06
Semi-major axis (a)2.1836397659 AU ± 2.30e-05
Inclination (i)0.67026456° ± 5.32e-06
Long. of Asc. Node (Ω)147.75905016° ± 1.26e-04
Arg. of Perihelion (ω)286.32166390° ± 1.28e-04
Mean Anomaly (M)81.19266875° ± 7.00e-03
Mean Motion (n)0.3054504606°/day ± 4.82e-06
Perihelion dist (q)1.07588268 AU ± 1.55e-05
Aphelion dist (Q)3.29139686 AU ± 3.62e-05
Orbital Period3.22679587 yr ± 5.09e-05
Physical Parameters
H (abs. magnitude)22.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.235″
Uncertainty1
Orbit TypeAmor
MOID0.090362 AU
Observations Used237
Oppositions1
Arc Total2021-2022
First Observation Used2021-09-29
Last Observation Used2022-02-20
Observations (253)
Date Type RA Dec Mag Band Observatory
2021-09-29 09:56:44 C 01 23 02.397 +06 48 57.28 U F51
2021-09-29 10:04:53 C 01 23 02.541 +06 48 57.39 U F51
2021-09-29 10:13:52 C 01 23 02.692 +06 48 57.42 U F51
2021-09-29 10:22:50 C 01 23 02.861 +06 48 57.42 U F51
2021-09-30 08:52:30 C 01 23 36.138 +06 48 56.40 U F51
2021-09-30 09:15:11 C 01 23 36.547 +06 48 56.41 U F51
2021-09-30 09:38:15 C 01 23 36.950 +06 48 56.48 U F51
2021-10-02 10:03:13 C 01 24 44.91 +06 48 27.3 o 691
2021-10-02 10:29:24 C 01 24 45.39 +06 48 26.7 o 691
2021-10-02 10:55:35 C 01 24 45.85 +06 48 25.8 o 691
2021-10-03 09:10:32 C 01 25 18.03 +06 48 05.4 o 691
2021-10-03 09:27:28 C 01 25 18.35 +06 48 05.4 o 691
2021-10-03 09:44:24 C 01 25 18.59 +06 48 04.5 o 691
2021-10-05 09:37:44 C 01 26 27.603 +06 47 05.23 U F52
2021-10-05 09:53:31 C 01 26 27.865 +06 47 04.91 U F52
2021-10-05 10:25:10 C 01 26 28.358 +06 47 04.12 U F52
2021-10-09 07:32:10 C 01 28 41.33 +06 43 51.0 V G96
2021-10-09 07:40:18 C 01 28 41.48 +06 43 50.4 V G96
2021-10-09 07:48:25 C 01 28 41.63 +06 43 49.7 V G96
2021-10-09 07:56:32 C 01 28 41.74 +06 43 50.2 V G96
2021-10-11 15:16:10 C 01 30 04.92 +06 41 33.5 V D29
2021-10-11 15:36:31 C 01 30 05.17 +06 41 32.8 V D29
2021-10-11 15:56:53 C 01 30 05.64 +06 41 31.7 V D29
2021-10-15 02:14:23 C 01 32 18.85 +06 38 38.4 u 807
2021-10-15 02:22:22 C 01 32 18.97 +06 38 37.8 u 807
2021-10-15 02:30:08 C 01 32 19.14 +06 38 37.5 u 807
2021-10-24 01:51:51 C 01 39 41.43 +06 32 35.9 u 807
2021-10-24 01:55:47 C 01 39 41.56 +06 32 35.4 u 807
2021-10-24 01:59:42 C 01 39 41.70 +06 32 35.6 u 807
2021-10-26 02:04:20 C 01 41 49.20 +06 32 42.1 u 807
2021-10-26 02:12:15 C 01 41 49.49 +06 32 42.6 u 807
2021-10-26 02:20:08 C 01 41 49.81 +06 32 42.8 u 807
2021-10-27 03:24:09 C 01 43 01.20 +06 33 07.3 u 807
2021-10-27 03:28:09 C 01 43 01.34 +06 33 07.3 u 807
2021-10-27 03:32:06 C 01 43 01.46 +06 33 07.1 u 807
2021-10-28 05:27:33 C 01 44 21.03 +06 32 58.1 V G96
2021-10-28 05:34:56 C 01 44 21.33 +06 32 58.5 V G96
2021-10-28 05:42:20 C 01 44 21.65 +06 32 58.6 V G96
2021-10-28 05:49:44 C 01 44 21.94 +06 32 58.7 V G96
2021-10-28 06:06:36 C 01 44 22.64 +06 32 59.7 V 703
2021-10-28 06:14:13 C 01 44 22.94 +06 32 59.5 V 703
2021-10-28 06:21:49 C 01 44 23.16 +06 32 59.4 V 703
2021-10-28 06:29:26 C 01 44 23.57 +06 33 00.3 V 703
2021-10-29 04:18:31 C 01 45 35.47 +06 33 48.1 V I52
2021-10-29 04:26:12 C 01 45 35.83 +06 33 48.4 V I52
2021-10-29 04:35:48 C 01 45 36.25 +06 33 48.9 V I52
2021-10-29 05:02:51 C 01 45 37.45 +06 33 50.4 V I52
2021-10-31 06:14:38 C 01 48 29.48 +06 36 36.2 V 703
2021-10-31 06:29:46 C 01 48 30.18 +06 36 36.0 V 703
2021-10-31 06:37:20 C 01 48 30.63 +06 36 37.6 V 703