503871 (2000 SL)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3950058936 ± 7.22e-09
Semi-major axis (a)1.5400961455 AU ± 5.13e-10
Inclination (i)38.34586671° ± 4.31e-06
Long. of Asc. Node (Ω)207.72041805° ± 1.12e-06
Arg. of Perihelion (ω)70.21086618° ± 2.99e-06
Mean Anomaly (M)95.98625127° ± 1.65e-06
Mean Motion (n)0.5156921556°/day ± 2.58e-10
Perihelion dist (q)0.93174909 AU ± 1.11e-08
Aphelion dist (Q)2.14844320 AU ± 1.11e-08
Orbital Period1.91126871 yr ± 9.54e-10
Physical Parameters
H (abs. magnitude)18.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.261″
Uncertainty0
Orbit TypeApollo
MOID0.123659 AU
Observations Used853
Oppositions12
Arc Total2000-2025
First Observation Used2000-05-04
Last Observation Used2025-12-27
Observations (936)
Date Type RA Dec Mag Band Observatory
2025-10-26 08:51:38 C 03 40 51.870 -04 01 19.56 V 703
2025-10-26 08:58:12 C 03 40 51.492 -04 01 29.82 V 703
2025-10-30 06:47:58 C 03 33 32.159 -06 35 03.80 V G96
2025-10-30 06:55:21 C 03 33 31.590 -06 35 14.10 V G96
2025-10-30 07:02:45 C 03 33 30.949 -06 35 27.13 V G96
2025-10-30 07:10:08 C 03 33 30.337 -06 35 38.69 V G96
2025-11-07 09:59:05 C 03 18 09.250 -11 13 06.66 X F52
2025-11-07 10:15:52 C 03 18 07.912 -11 13 27.82 X F52
2025-11-07 10:32:42 C 03 18 06.542 -11 13 49.07 X F52
2025-11-07 10:49:32 C 03 18 05.206 -11 14 10.39 X F52
2025-11-10 08:12:37 C 03 12 47.225 -12 37 25.61 V G96
2025-11-10 08:20:45 C 03 12 46.602 -12 37 35.33 V G96
2025-11-10 08:28:52 C 03 12 45.958 -12 37 44.54 V G96
2025-11-10 08:37:01 C 03 12 45.342 -12 37 52.97 V G96
2025-11-15 10:23:42 C 03 03 56.061 -14 42 58.68 X F51
2025-11-15 10:40:52 C 03 03 54.824 -14 43 14.43 X F51
2025-11-15 10:58:02 C 03 03 53.584 -14 43 30.13 X F51
2025-11-15 11:15:09 C 03 03 52.352 -14 43 45.76 X F51
2025-11-16 08:40:44 C 03 02 24.420 -15 02 59.85 X F51
2025-11-16 08:59:04 C 03 02 23.123 -15 03 15.95 X F51
2025-11-16 09:35:39 C 03 02 20.534 -15 03 48.16 X F51
2025-12-13 06:39:43 C 02 33 46.561 -19 22 31.59 X F52
2025-12-13 06:55:49 C 02 33 46.220 -19 22 32.03 X F52
2025-12-13 07:11:59 C 02 33 45.866 -19 22 32.71 X F52
2025-12-13 07:28:01 C 02 33 45.521 -19 22 33.18 X F52
2025-12-16 04:11:40 C 02 32 36.845 -19 22 51.13 V G96
2025-12-16 04:20:03 C 02 32 36.755 -19 22 51.28 V G96
2025-12-16 04:28:26 C 02 32 36.582 -19 22 50.41 V G96
2025-12-16 04:36:48 C 02 32 36.427 -19 22 50.20 V G96
2025-12-17 06:37:50 C 02 32 15.957 -19 21 59.09 X F51
2025-12-17 06:57:14 C 02 32 15.681 -19 21 58.29 X F51
2025-12-17 07:16:39 C 02 32 15.396 -19 21 57.43 X F51
2025-12-17 07:36:04 C 02 32 15.131 -19 21 56.57 X F51
2025-12-27 05:12:53 C 02 31 16.146 -18 54 28.05 X F51
2025-12-27 05:28:43 C 02 31 16.174 -18 54 25.38 X F51
2025-12-27 05:44:33 C 02 31 16.186 -18 54 22.58 X F51