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
2016-11-05 21:10:07 C 10 43 37.12 +14 59 00.8 q D29
2017-06-02 08:14:34 C 15 52 59.156 -34 09 06.80 L F51
2017-06-02 08:30:09 C 15 52 58.138 -34 09 00.48 L F51
2017-06-02 08:45:41 C 15 52 57.129 -34 08 54.05 L F51
2017-06-02 09:01:16 C 15 52 56.106 -34 08 47.60 L F51
2017-06-26 07:03:11 C 15 29 22.254 -30 16 20.17 L F51
2017-06-26 07:18:25 C 15 29 21.937 -30 16 14.80 L F51
2017-06-26 07:33:39 C 15 29 21.605 -30 16 09.44 L F51
2017-06-26 07:48:51 C 15 29 21.298 -30 16 04.05 L F51
2017-07-01 03:47:30 C 15 27 39.21 -29 37 00.1 o 691
2017-07-01 04:01:22 C 15 27 39.06 -29 36 55.7 o 691
2017-07-01 04:15:14 C 15 27 38.86 -29 36 51.6 o 691
2018-08-06 10:24:41 C 21 00 19.397 -15 34 38.09 U F51
2018-08-06 10:56:21 C 21 00 17.785 -15 34 42.40 U F51
2018-08-06 11:12:11 C 21 00 16.977 -15 34 44.62 U F51
2018-08-11 09:46:10 C 20 54 23.450 -15 50 57.84 U F51
2018-08-11 10:03:03 C 20 54 22.603 -15 51 00.05 U F51
2018-08-11 10:19:56 C 20 54 21.743 -15 51 02.32 U F51
2018-08-11 10:36:47 C 20 54 20.894 -15 51 04.54 U F51
2019-09-19 11:49:47 C 09 16 34.80 +18 53 06.8 V 703
2019-09-19 11:55:03 C 09 16 35.97 +18 52 59.6 V 703
2019-09-19 11:57:41 C 09 16 36.48 +18 52 56.5 V 703
2019-10-23 12:37:07 C 11 39 43.28 +01 06 25.6 U I41
2019-10-23 12:44:19 C 11 39 44.41 +01 06 15.9 U I41
2019-10-23 12:51:31 C 11 39 45.56 +01 06 06.5 U I41
2019-10-23 12:58:44 C 11 39 46.71 +01 05 56.7 U I41
2021-08-02 11:22:21 C 21 43 30.688 -10 45 22.97 U F51
2021-08-02 11:38:34 C 21 43 29.924 -10 45 25.48 U F51
2021-08-02 11:54:46 C 21 43 29.170 -10 45 27.56 U F51
2021-08-02 12:11:00 C 21 43 28.396 -10 45 30.08 U F51
2021-08-09 08:41:57 C 21 35 37.676 -11 10 31.43 U F51
2021-08-09 09:15:36 C 21 35 35.981 -11 10 36.90 U F51
2021-08-09 09:33:05 C 21 35 35.105 -11 10 39.72 U F51
2021-08-10 08:09:30 C 21 34 28.292 -11 14 16.43 U F51
2021-08-10 08:31:43 C 21 34 27.172 -11 14 20.05 U F51
2021-08-10 08:54:06 C 21 34 26.042 -11 14 23.67 U F51
2021-09-14 04:12:35 C 20 56 28.18 -13 18 57.8 V G96
2021-09-14 04:20:02 C 20 56 27.99 -13 19 00.0 V G96
2021-09-14 04:27:29 C 20 56 27.73 -13 19 00.8 V G96
2021-09-14 04:34:56 C 20 56 27.48 -13 19 01.0 V G96
2021-09-25 06:02:51 C 20 49 14.569 -13 42 06.92 U F51
2021-09-25 06:29:30 C 20 49 13.972 -13 42 08.78 U F51
2021-09-25 06:46:39 C 20 49 13.597 -13 42 09.71 U F51
2021-09-25 07:03:52 C 20 49 13.222 -13 42 10.98 U F51
2024-06-18 13:44:16 C 22 41 52.844 -05 44 50.50 X F52
2024-06-18 13:59:19 C 22 41 52.925 -05 44 48.62 X F52
2024-06-18 14:14:30 C 22 41 53.044 -05 44 46.69 X F52
2024-07-01 12:49:16 C 22 42 00.952 -05 11 22.48 X F52
2024-07-01 13:06:20 C 22 42 00.831 -05 11 21.07 X F52
2024-07-01 13:23:25 C 22 42 00.716 -05 11 19.84 X F52
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)