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
2022-04-21 04:18:54 C 11 18 06.098 -20 43 26.04 V W68
2022-04-21 04:25:18 C 11 18 06.710 -20 43 26.04 V W68
2022-04-21 04:39:17 C 11 18 08.047 -20 43 26.18 V W68
2022-04-24 03:13:42 C 11 25 11.314 -20 44 07.01 V W68
2022-04-24 03:18:19 C 11 25 11.736 -20 44 06.97 V W68
2022-04-24 03:29:33 C 11 25 12.758 -20 44 06.68 V W68
2022-04-24 03:46:32 C 11 25 14.311 -20 44 06.47 V W68
2022-04-24 06:04:42 C 11 25 27.923 -20 44 30.44 V 703
2022-04-24 06:12:40 C 11 25 28.650 -20 44 30.41 V 703
2022-04-24 06:20:38 C 11 25 29.377 -20 44 30.26 V 703
2022-04-24 06:28:36 C 11 25 30.104 -20 44 30.01 V 703
2022-04-24 09:41:41 C 11 25 49.48 -20 44 01.0 q E89
2022-04-24 09:48:52 C 11 25 50.16 -20 44 01.3 q E89
2022-04-24 09:56:07 C 11 25 50.83 -20 44 01.1 q E89
2022-04-24 10:03:18 C 11 25 51.47 -20 44 01.0 q E89
2022-04-24 10:10:40 C 11 25 52.14 -20 44 00.8 q E89
2022-04-25 03:30:34 C 11 27 32.316 -20 43 52.86 V W68
2022-04-25 03:38:03 C 11 27 32.986 -20 43 52.57 V W68
2022-04-25 03:52:52 C 11 27 34.322 -20 43 52.10 V W68
2022-04-25 03:58:30 C 11 27 34.829 -20 43 52.00 V W68
2022-04-27 05:30:32 C 11 32 16.987 -20 43 12.25 V 703
2022-04-27 05:46:58 C 11 32 18.416 -20 43 11.86 V 703
2022-04-27 05:54:45 C 11 32 19.100 -20 43 11.21 V 703
2022-04-27 06:05:39 C 11 32 20.047 -20 43 10.70 V 703
2022-04-27 06:13:34 C 11 32 20.746 -20 43 11.03 V 703
2022-04-27 06:21:29 C 11 32 21.404 -20 43 10.34 V 703
2022-04-27 06:30:22 C 11 32 22.225 -20 43 09.73 V 703
2022-04-29 06:52:41 C 11 36 51.158 -20 41 28.63 U F52
2022-04-29 07:24:01 C 11 36 53.808 -20 41 27.51 U F52
2022-04-29 07:39:35 C 11 36 55.127 -20 41 26.93 U F52
2022-05-02 05:53:24 C 11 43 12.990 -20 38 25.80 V 703
2022-05-02 06:01:24 C 11 43 13.609 -20 38 24.72 V 703
2022-05-02 06:09:23 C 11 43 14.322 -20 38 23.86 V 703
2022-05-02 06:17:23 C 11 43 14.966 -20 38 23.28 V 703
2022-05-03 03:26:52 C 11 45 06.806 -20 37 01.20 V W68
2022-05-03 03:32:35 C 11 45 07.272 -20 37 00.88 V W68
2022-05-03 03:44:49 C 11 45 08.282 -20 37 00.08 V W68
2022-05-03 04:04:15 C 11 45 09.893 -20 36 59.00 V W68
2022-05-06 03:20:12 C 11 51 20.052 -20 33 23.29 V W68
2022-05-06 03:28:12 C 11 51 20.686 -20 33 22.79 V W68
2022-05-06 03:33:58 C 11 51 21.144 -20 33 22.61 V W68
2022-05-06 03:49:09 C 11 51 22.382 -20 33 21.53 V W68
2022-05-06 05:53:31 C 11 51 33.181 -20 33 34.70 V G96
2022-05-06 06:01:12 C 11 51 33.800 -20 33 34.20 V G96
2022-05-06 06:08:54 C 11 51 34.420 -20 33 33.80 V G96
2022-05-06 06:16:38 C 11 51 35.046 -20 33 33.30 V G96
2022-05-07 02:21:54 C 11 53 17.938 -20 32 13.13 V W68
2022-05-07 02:27:25 C 11 53 18.365 -20 32 12.95 V W68
2022-05-07 02:38:47 C 11 53 19.274 -20 32 12.19 V W68
2022-05-07 02:56:12 C 11 53 20.671 -20 32 11.11 V W68
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)