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
2021-10-10 21:30:05 C 20 43 33.54 +34 03 51.2 V L18
2021-10-14 19:19:18 C 21 05 16.17 +28 42 38.6 V 160
2021-10-14 19:23:43 C 21 05 17.12 +28 42 24.2 V 160
2021-10-14 19:28:06 C 21 05 18.04 +28 42 08.9 V 160
2021-10-15 19:28:03 C 21 10 29.13 +27 20 37.0 V 160
2021-10-15 19:33:14 C 21 10 30.24 +27 20 19.6 V 160
2021-10-15 19:38:22 C 21 10 31.31 +27 20 02.1 V 160
2021-10-17 07:05:14 C 21 17 55.168 +25 21 05.11 U F52
2021-10-17 07:19:08 C 21 17 57.935 +25 20 18.72 U F52
2021-10-17 07:33:01 C 21 18 00.694 +25 19 32.37 U F52
2021-10-17 07:46:54 C 21 18 03.492 +25 18 45.44 U F52
2021-10-23 17:43:20 C 21 46 58.06 +17 13 32.6 V L18
2021-10-23 17:50:05 C 21 46 59.26 +17 13 12.0 V L18
2021-10-23 17:56:50 C 21 47 00.41 +17 12 52.7 V L18
2021-10-24 04:34:13 C 21 48 49.29 +16 41 57.7 V 703
2021-10-24 04:49:20 C 21 48 51.77 +16 41 13.6 V 703
2021-10-24 04:56:53 C 21 48 52.98 +16 40 51.7 V 703
2021-10-24 07:06:13 C 21 49 15.23 +16 34 40.6 V T05
2021-10-24 07:10:51 C 21 49 15.99 +16 34 27.0 V T05
2021-10-24 07:21:52 C 21 49 17.78 +16 33 55.7 V T05
2021-10-24 07:22:21 C 21 49 17.876 +16 33 54.30 U F52
2021-10-24 07:38:46 C 21 49 20.598 +16 33 06.51 U F52
2021-10-24 07:52:13 C 21 49 22.80 +16 32 27.7 V T05
2021-10-24 08:11:36 C 21 49 26.029 +16 31 31.29 U F52
2021-10-25 02:44:32 C 21 52 33.78 +15 38 27.1 V 703
2021-10-25 02:52:55 C 21 52 35.14 +15 38 04.2 V 703
2021-10-25 03:01:19 C 21 52 36.50 +15 37 40.0 V 703
2021-10-28 02:41:30 C 22 04 06.82 +12 23 48.6 V 703
2021-10-28 02:49:05 C 22 04 07.91 +12 23 29.4 V 703
2021-10-28 02:56:39 C 22 04 09.04 +12 23 09.5 V 703
2021-10-29 05:47:19 C 22 08 14.51 +11 15 09.9 V V00
2021-10-29 05:48:07 C 22 08 14.63 +11 15 08.0 V V00
2021-10-29 05:54:21 C 22 08 15.55 +11 14 52.4 V V00
2021-10-29 05:55:07 C 22 08 15.67 +11 14 50.5 V V00
2021-10-29 06:01:20 C 22 08 16.59 +11 14 34.9 V V00
2021-10-29 06:02:08 C 22 08 16.70 +11 14 33.0 V V00
2021-10-29 06:08:20 C 22 08 17.62 +11 14 17.4 V V00
2021-10-29 06:09:06 C 22 08 17.74 +11 14 15.7 V V00
2021-10-30 07:11:28 C 22 12 01.89 +10 13 13.4 V T08
2021-10-30 07:43:07 C 22 12 06.48 +10 11 58.7 V T08
2021-10-30 07:47:46 C 22 12 07.14 +10 11 46.8 V T08
2021-10-30 07:55:46 C 22 12 08.26 +10 11 28.3 V T08
2021-10-31 03:05:22 C 22 14 56.27 +09 26 12.6 V 703
2021-10-31 03:12:59 C 22 14 57.40 +09 25 54.6 V 703
2021-10-31 03:20:37 C 22 14 58.48 +09 25 36.4 V 703
2021-10-31 03:28:14 C 22 14 59.58 +09 25 17.8 V 703
2021-11-01 07:36:09 C 22 19 00.06 +08 21 20.9 V T05
2021-11-01 07:46:43 C 22 19 01.51 +08 20 57.4 V T05
2021-11-01 07:53:59 C 22 19 02.50 +08 20 41.0 V T05
2021-11-01 08:10:33 C 22 19 04.78 +08 20 03.7 V T05