2021 SP1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2518116627 ± 3.75e-05
Semi-major axis (a)1.4941861075 AU ± 9.33e-05
Inclination (i)8.18298763° ± 8.77e-04
Long. of Asc. Node (Ω)207.63696429° ± 6.83e-04
Arg. of Perihelion (ω)144.17527219° ± 4.19e-04
Mean Anomaly (M)102.47985528° ± 7.70e-02
Mean Motion (n)0.5396413685°/day ± 5.06e-05
Perihelion dist (q)1.11793262 AU ± 8.95e-05
Aphelion dist (Q)1.87043960 AU ± 1.30e-04
Orbital Period1.82644686 yr ± 1.71e-04
Physical Parameters
H (abs. magnitude)24.14
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.209″
Uncertainty2
Orbit TypeAmor
MOID0.133521 AU
Observations Used33
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-26
Last Observation Used2021-10-25
Observations (34)
Date Type RA Dec Mag Band Observatory
2021-09-26 05:36:18 C 21 15 09.739 +14 52 37.88 U F52
2021-09-26 05:52:48 C 21 15 12.316 +14 52 12.00 U F52
2021-09-26 06:09:24 C 21 15 14.862 +14 51 45.93 U F52
2021-09-26 06:26:03 C 21 15 17.471 +14 51 19.84 U F52
2021-09-26 10:49:39 C 21 15 58.494 +14 44 16.54 V F51
2021-09-26 10:50:34 C 21 15 58.647 +14 44 15.08 V F51
2021-09-27 01:34:00 C 21 18 32.26 +14 21 34.5 V 807
2021-09-27 01:41:58 C 21 18 33.52 +14 21 21.6 V 807
2021-09-27 01:49:56 C 21 18 34.77 +14 21 08.5 V 807
2021-09-27 05:52:25 C 21 19 17.862 +14 13 53.49 V F51
2021-09-27 06:00:51 C 21 19 19.163 +14 13 40.11 V F51
2021-09-27 06:08:46 C 21 19 20.444 +14 13 27.66 V F51
2021-09-29 02:01:48 C 21 26 57.29 +13 01 54.3 u H21
2021-09-29 02:10:52 C 21 26 58.76 +13 01 39.3 u H21
2021-09-30 01:27:21 C 21 31 05.72 +12 23 20.0 u H21
2021-09-30 01:49:31 C 21 31 09.39 +12 22 43.9 u H21
2021-09-30 02:06:10 C 21 31 12.11 +12 22 16.4 u H21
2021-10-04 01:02:02 C 21 48 19.15 +09 45 18.3 V 807
2021-10-04 01:10:01 C 21 48 20.50 +09 45 04.9 V 807
2021-10-04 01:18:01 C 21 48 21.85 +09 44 51.7 V 807
2021-10-04 02:17:49 C 21 48 32.86 +09 42 10.8 u H21
2021-10-04 02:26:52 C 21 48 34.40 +09 41 55.9 u H21
2021-10-04 02:37:58 C 21 48 36.28 +09 41 37.4 u H21
2021-10-07 05:51:47 C 22 02 25.46 +07 37 19.0 o 291
2021-10-07 06:10:21 C 22 02 28.66 +07 36 48.2 o 291
2021-10-07 06:28:54 C 22 02 31.82 +07 36 16.9 o 291
2021-10-09 00:51:06 C 22 10 25.23 +06 27 40.6 u H21
2021-10-09 00:59:52 C 22 10 26.78 +06 27 26.5 u H21
2021-10-10 05:58:11 C 22 15 46.13 +05 41 40.1 o 291
2021-10-10 06:18:25 C 22 15 49.72 +05 41 07.8 o 291
2021-10-10 06:38:40 C 22 15 53.17 +05 40 36.1 o 291
2021-10-25 02:58:00 C 23 19 01.45 -01 54 42.6 V 807
2021-10-25 03:05:59 C 23 19 02.68 -01 54 50.0 V 807
2021-10-25 03:13:58 C 23 19 03.91 -01 54 57.4 V 807