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
2013-09-25 11:17:08 C 03 13 36.72 -19 00 40.2 q 448
2013-09-25 11:27:12 C 03 13 34.78 -19 00 33.0 q 448
2013-09-25 11:37:13 C 03 13 32.79 -19 00 25.2 q 448
2013-10-02 08:49:05 C 02 40 24.63 -16 40 04.5 q 703
2013-10-02 08:59:35 C 02 40 22.41 -16 39 53.9 q 703
2013-10-02 09:10:08 C 02 40 20.18 -16 39 43.2 q 703
2013-10-02 09:20:38 C 02 40 17.82 -16 39 33.7 q 703
2013-10-02 10:24:25 C 02 40 04.18 -16 38 30.4 q 703
2013-10-02 10:27:35 C 02 40 03.49 -16 38 27.1 q 703
2013-10-02 10:33:55 C 02 40 02.13 -16 38 20.8 q 703
2013-10-08 21:50:43 C 02 07 12.33 -13 47 11.2 q 046
2013-10-08 21:52:10 C 02 07 12.05 -13 47 07.9 q 046
2013-10-08 21:53:29 C 02 07 11.72 -13 47 07.2 q 046
2013-10-08 22:00:41 C 02 07 10.18 -13 46 59.4 q 046
2013-10-09 08:38:55 C 02 04 55.59 -13 34 03.0 q 703
2013-10-09 08:50:09 C 02 04 53.18 -13 33 49.7 q 703
2013-10-09 09:01:22 C 02 04 50.80 -13 33 35.5 q 703
2013-10-09 09:12:48 C 02 04 48.31 -13 33 22.0 q 703
2013-10-10 07:09:53 C 02 00 12.73 -13 06 06.2 r Y00
2013-10-10 07:14:57 C 02 00 11.70 -13 05 59.6 r Y00
2013-10-10 07:19:15 C 02 00 10.75 -13 05 53.8 r Y00
2013-10-14 06:00:05 C 01 41 00.20 -11 05 08.5 r Y00
2013-10-14 06:01:54 C 01 40 59.78 -11 05 05.8 r Y00
2013-10-14 06:03:45 C 01 40 59.43 -11 05 03.6 r Y00
2013-10-19 07:26:56 C 01 18 25.70 -08 25 35.8 q 448
2013-10-19 07:35:14 C 01 18 24.27 -08 25 25.9 q 448
2013-10-19 07:45:58 C 01 18 22.35 -08 25 11.3 q 448
2013-10-25 00:29:21 C 00 56 32.89 -05 28 36.7 r Y00
2013-10-25 00:31:41 C 00 56 32.58 -05 28 34.1 r Y00
2013-10-25 00:34:01 C 00 56 32.24 -05 28 31.2 r Y00
2013-10-25 04:40:08 C 00 55 56.88 -05 23 38.3 q 703
2013-10-25 04:51:04 C 00 55 55.23 -05 23 25.0 q 703
2013-10-25 05:02:02 C 00 55 53.58 -05 23 11.0 q 703
2013-10-25 07:06:27 C 00 55 36.046 -05 20 32.17 L F51
2013-10-25 07:27:27 C 00 55 32.957 -05 20 06.04 L F51
2013-10-25 07:48:25 C 00 55 29.871 -05 19 39.96 L F51
2013-10-25 08:09:26 C 00 55 26.771 -05 19 13.78 L F51
2013-10-29 14:11:34 C 00 42 02.58 -03 15 31.7 o E10
2013-10-29 14:13:04 C 00 42 02.43 -03 15 30.3 o E10
2013-11-06 13:19:24 C 00 23 04.85 +00 12 06.0 q D29
2013-11-06 13:53:45 C 00 23 01.99 +00 12 41.3 q D29
2013-11-06 14:28:07 C 00 22 59.10 +00 13 15.6 q D29
2013-11-07 06:31:33 C 00 21 43.84 +00 29 18.9 q 703
2013-11-07 06:40:15 C 00 21 43.13 +00 29 28.6 q 703
2013-11-07 06:48:58 C 00 21 42.45 +00 29 36.9 q 703
2013-11-07 06:57:40 C 00 21 41.77 +00 29 43.2 q 703
2017-10-29 08:05:49 C 03 15 38.50 +36 55 03.4 U G96
2017-10-29 08:16:25 C 03 15 36.78 +36 55 11.1 U G96
2017-10-29 08:23:42 C 03 15 35.63 +36 55 16.6 U G96
2017-10-29 08:30:54 C 03 15 34.45 +36 55 21.9 U G96