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
2013-12-17 17:54:42 C 23 31 51.30 +39 18 43.2 q 160
2013-12-17 17:57:28 C 23 31 51.00 +39 18 41.8 q 160
2013-12-19 17:26:49 C 23 27 23.70 +38 55 10.3 q C23
2013-12-19 17:28:03 C 23 27 23.56 +38 55 09.7 q C23
2013-12-19 17:29:27 C 23 27 23.41 +38 55 09.0 q C23
2013-12-19 17:30:26 C 23 27 23.29 +38 55 08.6 q C23
2013-12-19 17:31:24 C 23 27 23.20 +38 55 08.0 q C23
2013-12-19 20:46:29 C 23 27 02.56 +38 53 19.4 q C23
2013-12-19 20:47:43 C 23 27 02.40 +38 53 18.9 q C23
2013-12-19 20:48:42 C 23 27 02.34 +38 53 18.1 q C23
2013-12-19 20:49:42 C 23 27 02.26 +38 53 17.8 q C23
2013-12-20 18:07:24 C 23 25 00.44 +38 42 14.0 q C23
2013-12-20 18:08:53 C 23 25 00.28 +38 42 13.1 q C23
2013-12-20 18:10:21 C 23 25 00.13 +38 42 12.5 q C23
2013-12-20 18:11:50 C 23 24 59.95 +38 42 11.6 q C23
2013-12-20 18:13:18 C 23 24 59.80 +38 42 10.7 q C23
2013-12-22 18:28:02 C 23 20 10.71 +38 15 14.8 w I99
2013-12-22 18:32:26 C 23 20 10.19 +38 15 12.1 w I99
2013-12-22 18:38:59 C 23 20 09.42 +38 15 08.0 w I99
2013-12-25 15:02:35 S 23 12 47.736 +37 31 23.05 L C51
2013-12-25 17:04:06 C 23 12 34.30 +37 29 47.7 q C23
2013-12-25 17:05:20 C 23 12 34.14 +37 29 46.7 q C23
2013-12-25 17:06:48 C 23 12 33.95 +37 29 45.5 q C23
2013-12-25 17:08:17 C 23 12 33.76 +37 29 44.6 q C23
2013-12-25 17:09:45 C 23 12 33.57 +37 29 43.6 q C23
2013-12-25 17:11:14 C 23 12 33.38 +37 29 42.4 q C23
2013-12-25 19:47:10 S 23 12 15.233 +37 28 03.79 L C51
2013-12-25 21:22:09 S 23 12 04.351 +37 26 56.26 L C51
2013-12-25 22:56:57 S 23 11 53.419 +37 25 49.19 L C51
2013-12-26 00:31:45 S 23 11 42.466 +37 24 42.01 L C51
2013-12-26 00:31:56 S 23 11 42.468 +37 24 41.00 L C51
2013-12-26 02:06:44 S 23 11 31.486 +37 23 33.50 L C51
2013-12-26 05:16:31 S 23 11 09.408 +37 21 16.52 L C51
2013-12-27 17:51:23 C 23 06 43.55 +36 53 12.9 q K48
2013-12-27 17:56:28 C 23 06 42.85 +36 53 08.5 q K48
2013-12-27 18:01:34 C 23 06 42.15 +36 53 04.1 q K48
2013-12-27 18:06:39 C 23 06 41.42 +36 52 59.7 q K48
2013-12-28 00:42:39 C 23 05 51.44 +36 47 48.6 q H45
2013-12-28 00:44:51 C 23 05 51.12 +36 47 46.6 q H45
2013-12-28 00:46:26 C 23 05 50.89 +36 47 45.2 q H45
2013-12-28 00:47:32 C 23 05 50.73 +36 47 44.3 q H45
2013-12-28 00:49:11 C 23 05 50.50 +36 47 42.9 q H45
2013-12-28 00:50:21 C 23 05 50.33 +36 47 41.8 q H45
2013-12-28 00:51:28 C 23 05 50.17 +36 47 40.9 q H45
2013-12-28 00:52:41 C 23 05 50.00 +36 47 39.7 q H45
2013-12-29 18:02:21 C 23 00 21.81 +36 11 03.9 q C23
2013-12-29 18:03:35 C 23 00 21.62 +36 11 02.5 q C23
2013-12-29 18:04:49 C 23 00 21.43 +36 11 01.5 q C23
2013-12-29 18:06:02 C 23 00 21.25 +36 11 00.0 q C23
2013-12-29 18:07:16 C 23 00 21.06 +36 10 59.1 q C23
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)