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
2022-02-27 20:03:53 v 1 000.41794 +51.19157 270
2022-02-27 20:21:31 V 06 40 50.84 +12 43 05.1 13.9 V 270
2022-02-27 20:21:31 v 1 024.63071 +60.79169 270
2022-02-27 20:33:44 V 06 40 56.00 +12 42 29.0 14.0 V 270
2022-02-27 20:33:44 v 1 007.65285 +50.46106 270
2022-02-27 20:46:55 C 06 41 00.82 +12 41 37.9 V C23
2022-02-27 20:48:57 V 06 41 01.84 +12 41 30.4 13.9 V 270
2022-02-27 20:48:57 v 1 000.41794 +51.19157 270
2022-02-27 20:49:37 V 06 41 01.01 +12 41 30.5 13.9 V 270
2022-02-27 20:49:37 v 1 016.33576 +48.20427 270
2022-02-27 21:04:28 C 06 41 07.06 +12 40 29.6 V K85
2022-02-27 21:08:40 V 06 41 08.45 +12 40 12.7 14.1 V 270
2022-02-27 21:08:40 v 1 007.65285 +50.46106 270
2022-02-27 21:16:45 C 06 41 11.53 +12 39 41.5 V C23
2022-02-27 21:34:03 V 06 41 18.00 +12 38 33.8 14.0 V 270
2022-02-27 21:34:03 v 1 000.41794 +51.19157 270
2022-02-27 21:45:19 V 06 41 21.08 +12 37 51.9 14.1 V 270
2022-02-27 21:45:19 v 1 016.33576 +48.20427 270
2022-02-27 21:49:28 C 06 41 23.24 +12 37 33.9 V K85
2022-02-27 21:55:52 C 06 41 25.59 +12 37 08.6 V C23
2022-02-27 22:09:54 V 06 41 30.46 +12 36 14.3 14.0 V 270
2022-02-27 22:09:54 v 1 007.65285 +50.46106 270
2022-02-27 22:15:17 C 06 41 32.60 +12 35 52.7 V C23
2022-02-27 22:53:52 V 06 41 46.61 +12 33 19.9 13.9 V 270
2022-02-27 22:53:52 v 1 007.65285 +50.46106 270
2022-02-27 23:02:39 V 06 41 49.02 +12 32 48.6 14.0 V 270
2022-02-27 23:02:39 v 1 016.33576 +48.20427 270
2022-02-28 03:31:00 V 06 43 33.69 +12 15 50.5 14.0 V 270
2022-02-28 03:31:00 v 1 242.88217 +32.74579 270
2022-02-28 04:02:46 V 06 43 44.87 +12 13 46.9 14.1 V 270
2022-02-28 04:02:46 v 1 242.88217 +32.74579 270
2022-02-28 04:14:38 C 06 43 47.09 +12 12 55.6 q H45
2022-02-28 04:21:18 C 06 43 49.46 +12 12 29.1 q H45
2022-02-28 04:23:30 C 06 43 50.24 +12 12 20.6 q H45
2022-02-28 04:24:28 C 06 43 50.59 +12 12 16.8 q H45
2022-02-28 04:27:34 C 06 43 51.70 +12 12 04.5 q H45
2022-02-28 04:35:38 V 06 43 56.49 +12 11 38.6 14.1 V 270
2022-02-28 04:35:38 v 1 242.88217 +32.74579 270
2022-02-28 05:31:20 V 06 44 16.11 +12 08 00.8 14.0 V 270
2022-02-28 05:31:20 v 1 242.88217 +32.74579 270
2022-02-28 05:40:40 C 06 44 22.89 +12 07 43.9 V T08
2022-02-28 05:48:32 C 06 44 25.64 +12 07 13.3 V T08
2022-02-28 05:57:05 C 06 44 28.64 +12 06 40.0 V T08
2022-02-28 16:02:53 C 06 48 14.77 +11 26 19.9 q 168
2022-02-28 16:43:00 C 06 48 29.22 +11 23 42.6 q 168
2022-02-28 17:42:55 C 06 48 50.82 +11 19 47.0 q 168
2022-02-28 18:18:15 C 06 49 06.78 +11 17 34.6 V C23
2022-02-28 18:18:42 C 06 49 06.94 +11 17 32.8 V C23
2022-02-28 18:21:52 C 06 49 08.07 +11 17 20.5 V C23
2022-02-28 18:23:00 C 06 49 05.33 +11 17 09.0 q 168
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)