251346 (2007 SJ)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5332354919 ± 3.92e-09
Semi-major axis (a)2.0148109275 AU ± 7.47e-09
Inclination (i)8.18204835° ± 9.31e-07
Long. of Asc. Node (Ω)306.75711472° ± 6.21e-06
Arg. of Perihelion (ω)175.24975270° ± 7.18e-06
Mean Anomaly (M)48.92574859° ± 8.13e-06
Mean Motion (n)0.3446361497°/day ± 1.92e-09
Perihelion dist (q)0.94044223 AU ± 8.64e-09
Aphelion dist (Q)3.08917962 AU ± 1.39e-08
Orbital Period2.85990394 yr ± 1.59e-08
Physical Parameters
H (abs. magnitude)16.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.223″
Uncertainty0
Orbit TypeApollo
MOID0.041856 AU
Observations Used960
Radar Obs Used2
Gaia Obs Used13
Oppositions18
Arc Total1990-2024
First Observation Used1990-10-14
Last Observation Used2024-12-30
Observations (1037)
Date Type RA Dec Mag Band Observatory
2013-10-14 13:12:22 C 02 01 45.94 +36 41 50.0 o 300
2013-10-14 13:13:44 C 02 01 45.91 +36 41 50.4 o 300
2013-10-14 13:15:07 C 02 01 45.83 +36 41 50.9 o 300
2013-10-14 13:16:29 C 02 01 45.79 +36 41 52.2 o 300
2013-10-14 13:17:53 C 02 01 45.68 +36 41 53.3 o 300
2013-10-14 13:19:15 C 02 01 45.61 +36 41 54.0 o 300
2013-10-14 13:20:38 C 02 01 45.55 +36 41 55.0 o 300
2013-10-14 13:22:01 C 02 01 45.48 +36 41 56.1 o 300
2013-10-15 01:51:19 C 02 01 08.76 +36 50 04.6 o B67
2013-10-15 02:26:10 C 02 01 06.96 +36 50 26.7 o B67
2013-10-15 02:56:04 C 02 01 05.42 +36 50 45.7 o B67
2013-10-15 07:35:24 C 02 00 52.74 +36 53 53.6 N I41
2013-10-15 08:55:31 C 02 00 48.42 +36 54 45.9 N I41
2013-10-15 09:35:07 C 02 00 46.28 +36 55 11.3 N I41
2013-10-16 00:26:05 C 02 00 02.00 +37 04 48.7 c A24
2013-10-16 00:27:08 C 02 00 01.96 +37 04 49.4 c A24
2013-10-16 07:14:19 C 01 59 41.51 +37 09 16.8 N I41
2013-10-16 08:28:26 C 01 59 37.31 +37 10 05.1 N I41
2013-10-16 09:04:14 C 01 59 35.27 +37 10 28.0 N I41
2013-10-18 04:29:05 C 01 57 14.20 +37 38 18.9 u H21
2013-10-18 04:33:35 C 01 57 13.92 +37 38 21.8 u H21
2013-10-18 04:37:22 C 01 57 13.69 +37 38 24.3 u H21
2013-10-18 04:41:22 C 01 57 13.44 +37 38 27.0 u H21
2013-10-18 04:45:49 C 01 57 13.17 +37 38 29.7 u H21
2013-10-20 05:02:34 C 01 54 19.28 +38 08 51.7 u H21
2013-10-20 05:06:28 C 01 54 19.03 +38 08 54.5 u H21
2013-10-20 05:10:03 C 01 54 18.79 +38 08 56.5 u H21
2013-10-20 05:12:54 C 01 54 18.59 +38 08 58.2 u H21
2013-10-20 05:17:10 C 01 54 18.27 +38 09 00.4 u H21
2013-10-21 04:44:04 C 01 52 47.98 +38 23 29.3 q H45
2013-10-21 04:45:55 C 01 52 47.84 +38 23 30.1 q H45
2013-10-21 04:47:44 C 01 52 47.70 +38 23 31.4 q H45
2013-10-21 04:49:53 C 01 52 47.56 +38 23 32.7 q H45
2013-10-21 04:51:41 C 01 52 47.44 +38 23 33.9 q H45
2013-10-21 04:53:20 C 01 52 47.28 +38 23 35.0 q H45
2013-10-21 21:31:28 C 01 51 40.36 +38 33 40.4 o 071
2013-10-21 21:34:51 C 01 51 40.16 +38 33 42.2 o 071
2013-10-21 21:38:13 C 01 51 39.89 +38 33 44.5 o 071
2013-10-21 21:41:36 C 01 51 39.62 +38 33 46.6 o 071
2013-10-21 21:48:21 C 01 51 39.19 +38 33 52.4 o 071
2013-10-21 21:51:41 C 01 51 38.91 +38 33 52.6 o 071
2013-10-21 21:55:03 C 01 51 38.67 +38 33 54.7 o 071
2013-10-21 21:58:25 C 01 51 38.41 +38 33 56.9 o 071
2013-10-21 22:08:30 C 01 51 37.68 +38 34 02.9 o 071
2013-10-21 22:11:52 C 01 51 37.43 +38 34 05.1 o 071
2013-10-21 22:15:14 C 01 51 37.20 +38 34 06.8 o 071
2013-10-21 22:18:34 C 01 51 36.90 +38 34 09.4 o 071
2013-10-21 22:21:57 C 01 51 36.65 +38 34 10.8 o 071
2013-10-21 22:42:44 C 01 51 35.04 +38 34 24.1 o 071
2013-10-21 22:47:05 C 01 51 34.83 +38 34 26.3 o 071
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-01-18 20:50:00 50807219.81 3 us 8560 -14 -14
2014-01-19 16:00:00 49703126.01 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)