333478 (2004 SD20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4649177120 ± 5.54e-08
Semi-major axis (a)0.8754348717 AU ± 5.79e-10
Inclination (i)21.32997588° ± 5.61e-06
Long. of Asc. Node (Ω)46.54777428° ± 1.88e-05
Arg. of Perihelion (ω)94.50864611° ± 1.70e-05
Mean Anomaly (M)200.11756506° ± 9.25e-06
Mean Motion (n)1.2033071936°/day ± 1.19e-09
Perihelion dist (q)0.46842969 AU ± 4.85e-08
Aphelion dist (Q)1.28244005 AU ± 4.85e-08
Orbital Period0.81909781 yr ± 8.12e-10
Physical Parameters
H (abs. magnitude)18.05
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.259″
Uncertainty0
Orbit TypeAten
MOID0.181206 AU
Observations Used203
Oppositions5
Arc Total2004-2025
First Observation Used2004-09-21
Last Observation Used2025-09-17
Observations (231)
Date Type RA Dec Mag Band Observatory
2022-10-05 19:22:08 C 21 45 06.204 -79 06 25.88 V M22
2022-10-05 19:30:40 C 21 44 58.135 -79 06 17.60 V M22
2022-10-05 19:35:55 C 21 44 53.112 -79 06 12.96 V M22
2022-10-05 20:25:03 C 21 44 06.350 -79 05 22.81 V M22
2022-10-08 01:16:33 C 20 59 37.445 -77 57 26.06 V W68
2022-10-08 01:21:10 C 20 59 33.720 -77 57 19.04 V W68
2022-10-08 01:29:13 C 20 59 27.103 -77 57 05.69 V W68
2022-10-08 01:43:41 C 20 59 15.622 -77 56 43.15 V W68
2022-10-12 02:11:19 C 19 58 29.239 -74 49 39.83 V W68
2022-10-12 02:15:53 C 19 58 26.930 -74 49 29.32 V W68
2022-10-12 02:31:55 C 19 58 18.365 -74 48 51.80 V W68
2022-10-12 02:40:30 C 19 58 13.793 -74 48 31.00 V W68
2022-10-13 18:36:55 C 19 39 46.361 -73 13 42.24 V M22
2022-10-13 18:41:29 C 19 39 44.215 -73 13 30.83 V M22
2022-10-13 18:49:21 C 19 39 40.846 -73 13 10.56 V M22
2022-10-13 19:07:03 C 19 39 32.875 -73 12 25.74 V M22
2022-10-16 00:14:56 C 19 19 25.500 -70 54 22.21 V W68
2022-10-16 00:19:29 C 19 19 23.786 -70 54 09.58 V W68
2022-10-16 00:25:58 C 19 19 21.370 -70 53 51.22 V W68
2022-10-16 00:27:16 C 19 19 21.101 -70 53 48.12 V W68
2022-10-16 00:31:49 C 19 19 19.366 -70 53 35.48 V W68
2022-10-16 00:41:35 C 19 19 15.797 -70 53 08.16 V W68
2022-10-16 00:43:33 C 19 19 15.245 -70 53 02.87 V W68
2022-10-16 01:00:08 C 19 19 09.202 -70 52 16.54 V W68
2022-10-17 18:56:01 C 19 06 03.439 -68 55 10.60 V M22
2022-10-17 19:06:14 C 19 06 00.422 -68 54 40.10 V M22
2022-10-17 19:20:30 C 19 05 56.136 -68 53 58.24 V M22
2022-10-17 19:24:29 C 19 05 54.989 -68 53 46.57 V M22
2025-09-16 23:40:50 C 15 25 07.300 -40 14 36.50 V 807
2025-09-16 23:51:33 C 15 25 09.270 -40 14 41.70 V 807
2025-09-17 00:02:16 C 15 25 11.140 -40 14 48.40 V 807