153591 (2001 SN263)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4799501702 ± 1.35e-09
Semi-major axis (a)1.9877627834 AU ± 8.82e-11
Inclination (i)6.69249029° ± 3.51e-07
Long. of Asc. Node (Ω)325.70895525° ± 1.05e-06
Arg. of Perihelion (ω)173.05863055° ± 1.30e-06
Mean Anomaly (M)124.08081465° ± 3.30e-07
Mean Motion (n)0.3516943922°/day ± 2.34e-11
Perihelion dist (q)1.03373570 AU ± 2.68e-09
Aphelion dist (Q)2.94178987 AU ± 2.69e-09
Orbital Period2.80250782 yr ± 1.87e-10
Physical Parameters
H (abs. magnitude)17.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.171″
Uncertainty0
Orbit TypeAmor
MOID0.047787 AU
Observations Used3293
Radar Obs Used3
Oppositions21
Arc Total1990-2025
First Observation Used1990-09-25
Last Observation Used2025-06-05
Observations (4048)
Date Type RA Dec Mag Band Observatory
2022-02-25 19:52:07 V 06 22 47.47 +15 47 58.1 14.1 V 270
2022-02-25 19:52:07 v 1 358.27166 +47.21997 270
2022-02-25 19:59:28 n 06 22 50.02 +15 47 22.1 q Z92
2022-02-25 20:01:50 V 06 22 50.31 +15 47 23.7 14.2 V 270
2022-02-25 20:01:50 v 1 006.32693 +46.30076 270
2022-02-25 20:02:38 V 06 22 50.66 +15 47 24.2 14.2 V 270
2022-02-25 20:02:38 v 1 004.89026 +44.92581 270
2022-02-25 20:05:02 V 06 22 52.08 +15 47 10.0 14.2 V 270
2022-02-25 20:05:02 v 1 358.27166 +47.21997 270
2022-02-25 20:12:36 C 06 22 54.05 +15 46 33.9 V L65
2022-02-25 20:13:01 V 06 22 54.35 +15 46 41.5 14.2 V 270
2022-02-25 20:13:01 v 1 006.32693 +46.30076 270
2022-02-25 20:16:52 V 06 22 55.59 +15 46 26.3 13.8 V 270
2022-02-25 20:16:52 v 1 004.89026 +44.92581 270
2022-02-25 20:17:02 V 06 22 55.64 +15 46 28.1 14.1 V 270
2022-02-25 20:17:02 v 1 005.44200 +43.43551 270
2022-02-25 20:17:56 V 06 22 56.61 +15 46 21.7 14.0 V 270
2022-02-25 20:17:56 v 1 358.27166 +47.21997 270
2022-02-25 20:24:12 V 06 22 58.30 +15 45 59.9 14.0 V 270
2022-02-25 20:24:12 v 1 006.32693 +46.30076 270
2022-02-25 20:25:31 n 06 22 59.29 +15 45 45.2 q Z92
2022-02-25 20:26:01 V 06 22 58.94 +15 45 51.4 14.1 V 270
2022-02-25 20:26:01 v 1 004.83115 +47.04043 270
2022-02-25 20:30:50 V 06 23 01.17 +15 45 33.6 14.0 V 270
2022-02-25 20:30:50 v 1 358.27166 +47.21997 270
2022-02-25 20:34:27 n 06 23 02.47 +15 45 11.9 q Z92
2022-02-25 20:34:47 V 06 23 01.91 +15 45 21.2 14.9 V 270
2022-02-25 20:34:47 v 1 004.89026 +44.92581 270
2022-02-25 20:43:38 C 06 23 05.09 +15 44 37.9 V L65
2022-02-25 20:47:16 V 06 23 06.39 +15 44 36.5 14.0 V 270
2022-02-25 20:47:16 v 1 005.44200 +43.43551 270
2022-02-25 20:51:00 V 06 23 07.63 +15 44 19.9 14.0 V 270
2022-02-25 20:51:00 v 1 004.89026 +44.92581 270
2022-02-25 20:51:37 V 06 23 08.03 +15 44 08.4 14.0 V 270
2022-02-25 20:51:37 v 1 006.40759 +52.19004 270
2022-02-25 21:04:32 V 06 23 12.57 +15 43 27.2 14.1 V 270
2022-02-25 21:04:32 v 1 004.83115 +47.04043 270
2022-02-25 21:13:57 V 06 23 15.70 +15 42 55.8 14.1 V 270
2022-02-25 21:13:57 v 1 005.44200 +43.43551 270
2022-02-25 21:51:02 V 06 23 29.19 +15 40 26.7 14.1 V 270
2022-02-25 21:51:02 v 1 006.40759 +52.19004 270
2022-02-25 22:28:57 V 06 23 42.89 +15 38 02.9 14.2 V 270
2022-02-25 22:28:57 v 1 006.40759 +52.19004 270
2022-02-25 22:53:18 V 06 23 51.42 +15 36 31.4 14.5 V 270
2022-02-25 22:53:18 v 1 006.40759 +52.19004 270
2022-02-26 00:41:07 V 06 24 35.49 +15 30 26.1 14.1 V 270
2022-02-26 00:41:07 v 1 278.55611 +28.31281 270
2022-02-26 00:53:30 V 06 24 39.79 +15 29 40.2 14.4 V 270
2022-02-26 00:53:30 v 1 278.55611 +28.31281 270
2022-02-26 01:07:00 V 06 24 44.47 +15 28 50.6 14.1 V 270
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2008-02-12 00:46:00 74376743.286 50 us 2380 -1 -1
2022-02-22 05:50:00 105008239.98 10 us 8560 -14 -14
2022-02-23 01:00:00 104031851.77 10 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)