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
2021-12-19 15:57:30 C 03 02 31.36 +45 03 39.7 V C40
2021-12-19 15:59:02 C 03 02 31.25 +45 03 39.6 V C40
2021-12-19 16:00:33 C 03 02 31.15 +45 03 39.4 V C40
2021-12-19 16:02:03 C 03 02 31.03 +45 03 39.3 V C40
2021-12-19 16:03:35 C 03 02 30.93 +45 03 39.1 V C40
2021-12-19 16:05:06 C 03 02 30.82 +45 03 38.9 V C40
2021-12-19 16:06:36 C 03 02 30.71 +45 03 38.7 V C40
2021-12-19 16:08:07 C 03 02 30.60 +45 03 38.6 V C40
2021-12-19 16:09:40 C 03 02 30.50 +45 03 38.4 V C40
2021-12-19 16:11:10 C 03 02 30.38 +45 03 38.2 V C40
2021-12-19 16:12:42 C 03 02 30.27 +45 03 38.1 V C40
2021-12-19 16:14:13 C 03 02 30.17 +45 03 38.0 V C40
2021-12-19 16:15:43 C 03 02 30.04 +45 03 37.7 V C40
2021-12-19 16:20:16 C 03 02 29.73 +45 03 37.2 V C40
2021-12-19 16:21:48 C 03 02 29.62 +45 03 37.0 V C40
2021-12-19 16:23:19 C 03 02 29.51 +45 03 36.8 V C40
2021-12-19 16:24:50 C 03 02 29.39 +45 03 36.7 V C40
2021-12-19 16:26:22 C 03 02 29.28 +45 03 36.5 V C40
2021-12-19 16:27:52 C 03 02 29.18 +45 03 36.4 V C40
2021-12-19 16:30:55 C 03 02 28.95 +45 03 36.0 V C40
2021-12-19 16:58:37 C 03 02 26.95 +45 03 32.7 V C40
2021-12-19 17:00:10 C 03 02 26.83 +45 03 32.5 V C40
2021-12-19 17:01:43 C 03 02 26.71 +45 03 32.3 V C40
2021-12-19 17:06:20 C 03 02 26.39 +45 03 31.7 V C40
2021-12-19 17:07:53 C 03 02 26.27 +45 03 31.5 V C40
2021-12-19 17:09:25 C 03 02 26.16 +45 03 31.3 V C40
2021-12-19 17:12:31 C 03 02 25.93 +45 03 30.9 V C40
2021-12-19 17:14:02 C 03 02 25.84 +45 03 30.7 V C40
2021-12-19 17:15:35 C 03 02 25.71 +45 03 30.6 V C40
2021-12-19 17:17:07 C 03 02 25.61 +45 03 30.3 V C40
2021-12-19 17:18:23 C 03 02 25.51 +45 03 30.3 V C40
2021-12-19 17:19:56 C 03 02 25.40 +45 03 30.0 V C40
2021-12-19 17:21:27 C 03 02 25.28 +45 03 29.8 V C40
2021-12-19 17:23:01 C 03 02 25.17 +45 03 29.6 V C40
2021-12-19 17:24:32 C 03 02 25.07 +45 03 29.4 V C40
2021-12-19 17:26:06 C 03 02 24.96 +45 03 29.4 V C40
2021-12-19 17:27:37 C 03 02 24.84 +45 03 29.1 V C40
2021-12-19 17:30:42 C 03 02 24.61 +45 03 28.7 V C40
2021-12-19 17:32:15 C 03 02 24.51 +45 03 28.4 V C40
2021-12-19 17:33:48 C 03 02 24.39 +45 03 28.2 V C40
2021-12-20 20:59:32 C 03 00 40.20 +44 58 56.6 X K87
2021-12-20 21:02:42 C 03 00 40.01 +44 58 56.0 X K87
2021-12-20 21:05:51 C 03 00 39.76 +44 58 55.5 X K87
2021-12-21 03:28:13 C 03 00 17.75 +44 57 46.5 X U55
2021-12-21 03:47:21 C 03 00 16.43 +44 57 43.4 X U55
2021-12-21 04:05:17 C 03 00 15.21 +44 57 40.3 X U55
2021-12-21 17:39:45 C 02 59 26.61 +44 55 10.0 V C40
2021-12-21 17:42:50 C 02 59 26.41 +44 55 09.5 V C40
2021-12-21 17:44:23 C 02 59 26.29 +44 55 09.3 V C40
2021-12-21 17:45:55 C 02 59 26.19 +44 55 09.0 V C40
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)