351278 (2004 SB20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4132867868 ± 7.66e-08
Semi-major axis (a)1.1829034662 AU ± 1.40e-09
Inclination (i)30.26768358° ± 1.22e-05
Long. of Asc. Node (Ω)30.89272413° ± 6.47e-06
Arg. of Perihelion (ω)209.41462955° ± 1.45e-05
Mean Anomaly (M)245.00615116° ± 1.85e-05
Mean Motion (n)0.7661050403°/day ± 1.36e-09
Perihelion dist (q)0.69402509 AU ± 9.06e-08
Aphelion dist (Q)1.67178184 AU ± 9.06e-08
Orbital Period1.28654196 yr ± 2.28e-09
Physical Parameters
H (abs. magnitude)18.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.405″
Uncertainty0
Orbit TypeApollo
MOID0.268998 AU
Observations Used304
Oppositions5
Arc Total2004-2025
First Observation Used2004-09-21
Last Observation Used2025-11-01
Observations (320)
Date Type RA Dec Mag Band Observatory
2004-09-21 09:44:40 C 03 32 33.93 -16 19 13.1 18.9 c 704
2004-09-21 10:02:09 C 03 32 31.06 -16 19 02.5 19.2 c 704
2004-09-21 10:37:26 C 03 32 25.32 -16 18 41.2 19.5 c 704
2004-09-21 10:54:33 C 03 32 22.55 -16 18 31.5 19.5 c 704
2004-09-22 07:43:58 C 03 29 04.14 -16 05 51.8 o H06
2004-09-22 07:49:15 C 03 29 03.31 -16 05 47.7 o H06
2004-09-22 07:54:35 C 03 29 02.45 -16 05 45.7 o H06
2004-09-22 08:23:53 C 03 28 57.64 -16 05 26.4 c 651
2004-09-22 08:25:55 C 03 28 57.29 -16 05 25.4 c 651
2004-09-22 08:28:00 C 03 28 56.92 -16 05 24.1 c 651
2004-09-22 09:41:17 C 03 28 44.74 -16 04 40.1 18.9 c 704
2004-09-22 09:59:12 C 03 28 41.75 -16 04 29.1 18.8 c 704
2004-09-22 10:34:53 C 03 28 35.32 -16 04 07.6 r H36
2004-09-22 10:34:55 C 03 28 35.82 -16 04 07.3 19.3 c 704
2004-09-22 10:45:55 C 03 28 33.89 -16 04 01.3 r H36
2004-09-22 10:52:45 C 03 28 32.77 -16 03 55.3 19.0 c 704
2004-09-22 10:57:00 C 03 28 31.87 -16 03 54.3 r H36
2004-09-22 11:37:30 C 03 28 25.47 -16 03 27.4 c 673
2004-09-22 11:39:59 C 03 28 25.09 -16 03 26.4 c 673
2004-09-22 12:00:59 C 03 28 21.61 -16 03 12.9 c 673
2004-09-22 12:03:15 C 03 28 21.19 -16 03 11.6 c 673
2004-09-22 12:17:15 C 03 28 18.73 -16 03 01.8 c G90
2004-09-22 12:21:43 C 03 28 18.03 -16 02 59.0 c G90
2004-09-22 12:26:12 C 03 28 17.23 -16 02 56.3 c G90
2004-09-23 08:14:28 C 03 25 03.40 -15 50 19.9 18.6 c 704
2004-09-23 08:31:35 C 03 25 00.47 -15 50 10.0 19.4 c 704
2004-09-23 08:48:42 C 03 24 57.53 -15 49 58.4 19.1 c 704
2004-09-23 09:05:51 C 03 24 54.64 -15 49 46.7 19.2 c 704
2004-09-23 09:22:58 C 03 24 51.69 -15 49 35.5 19.1 c 704
2004-09-24 08:35:34 C 03 20 57.66 -15 34 10.7 18.9 c 704
2004-09-24 08:53:01 C 03 20 54.63 -15 33 59.3 19.1 c 704
2004-09-24 09:10:30 C 03 20 51.52 -15 33 47.6 18.9 c 704
2004-09-24 09:27:58 C 03 20 48.40 -15 33 36.2 19.5 c 704
2004-09-28 16:38:53 C 03 02 19.94 -14 16 17.4 r 474
2004-09-28 16:41:20 C 03 02 19.47 -14 16 15.9 r 474
2004-10-06 07:36:15 C 02 26 24.44 -11 26 26.0 19.4 c 704
2004-10-06 07:52:14 C 02 26 21.31 -11 26 08.4 19.4 c 704
2004-10-06 08:07:50 C 02 26 17.98 -11 25 51.9 19.2 c 704
2004-10-06 08:23:28 C 02 26 14.69 -11 25 35.6 18.7 c 704
2004-10-06 08:39:13 C 02 26 11.47 -11 25 18.9 19.1 c 704
2004-10-11 15:34:08 C 02 00 34.17 -09 05 10.7 r 428
2004-10-11 15:39:16 C 02 00 33.07 -09 05 04.6 r 428
2004-10-11 16:01:55 C 02 00 28.31 -09 04 38.9 r 428
2004-10-11 23:43:49 C 01 58 56.71 -08 56 10.9 o 084
2004-10-18 06:02:23 C 01 30 22.41 -05 58 34.0 18.8 c 704
2004-10-18 06:18:37 C 01 30 19.48 -05 58 15.4 19.5 c 704
2004-10-18 06:34:53 C 01 30 16.44 -05 57 55.6 19.2 c 704
2004-10-18 07:07:22 C 01 30 10.46 -05 57 16.1 19.2 c 704
2004-10-19 07:23:32 C 01 25 52.47 -05 28 26.9 18.3 c 704
2004-10-19 07:38:31 C 01 25 49.83 -05 28 09.7 19.3 c 704