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
2018-11-02 02:33:00 C 23 54 52.83 +10 12 01.5 V G96
2018-11-02 02:41:10 C 23 54 52.46 +10 11 59.2 V G96
2018-11-04 04:17:36 C 23 52 50.45 +09 57 37.4 V 703
2018-11-04 04:25:13 C 23 52 50.06 +09 57 36.0 V 703
2018-11-04 04:32:51 C 23 52 49.77 +09 57 33.2 V 703
2018-11-04 04:40:28 C 23 52 49.51 +09 57 32.2 V 703
2018-11-08 03:46:01 C 23 49 24.46 +09 31 33.1 V 703
2018-11-08 03:53:39 C 23 49 24.14 +09 31 31.2 V 703
2018-11-08 04:01:17 C 23 49 23.85 +09 31 28.3 V 703
2018-11-08 04:08:55 C 23 49 23.61 +09 31 26.5 V 703
2018-11-10 04:37:38 C 23 47 54.17 +09 19 09.0 V G96
2018-11-10 04:45:46 C 23 47 53.92 +09 19 07.1 V G96
2018-11-10 04:53:55 C 23 47 53.66 +09 19 05.0 V G96
2018-11-10 05:02:03 C 23 47 53.42 +09 19 03.1 V G96
2018-11-10 08:53:38 C 23 47 46.63 +09 18 07.1 U T08
2018-11-10 09:08:01 C 23 47 46.22 +09 18 05.3 U T08
2018-11-10 09:22:20 C 23 47 45.84 +09 18 00.7 U T08
2018-11-10 09:36:40 C 23 47 45.35 +09 17 57.8 U T08
2018-11-11 03:52:05 C 23 47 15.09 +09 13 31.0 V 703
2018-11-11 04:00:20 C 23 47 14.88 +09 13 28.9 V 703
2018-11-11 04:08:36 C 23 47 14.64 +09 13 26.6 V 703
2018-11-11 04:16:51 C 23 47 14.38 +09 13 25.3 V 703
2018-11-13 20:33:38 C 23 45 39.13 +08 58 44.4 19.9 q J43
2018-11-13 20:47:43 C 23 45 38.79 +08 58 41.4 19.5 q J43
2018-11-13 21:01:50 C 23 45 38.41 +08 58 38.2 19.6 q J43
2018-11-13 21:16:04 C 23 45 38.07 +08 58 35.3 20.1 q J43
2019-01-03 05:11:20 C 00 10 13.963 +09 29 29.62 U F51
2019-01-03 05:29:58 C 00 10 14.995 +09 29 34.40 U F51
2019-01-03 05:48:44 C 00 10 16.037 +09 29 39.19 U F51
2019-01-03 06:07:20 C 00 10 17.073 +09 29 43.98 U F51
2019-01-08 02:50:00 C 00 17 17.57 +10 02 01.0 I41
2019-01-08 02:51:19 C 00 17 17.66 +10 02 01.0 I41
2019-01-08 03:11:06 C 00 17 18.86 +10 02 07.2 I41
2019-01-08 03:29:53 C 00 17 20.02 +10 02 12.4 I41
2019-01-10 03:36:46 C 00 20 25.29 +10 16 46.8 I41
2019-01-10 03:57:35 C 00 20 26.65 +10 16 53.0 I41
2020-06-15 13:46:02 C 21 43 10.341 -17 01 01.39 U F51
2020-06-15 13:58:08 C 21 43 10.193 -17 01 01.76 U F51
2020-06-15 14:10:12 C 21 43 10.054 -17 01 02.36 U F51
2020-08-15 09:06:59 C 20 47 48.883 -20 05 05.34 U F51
2020-08-15 09:21:53 C 20 47 48.149 -20 05 06.92 U F51
2020-08-15 09:36:48 C 20 47 47.417 -20 05 08.79 U F51
2020-08-15 09:51:41 C 20 47 46.690 -20 05 10.35 U F51
2020-08-17 07:36:52 C 20 45 36.504 -20 10 07.70 U F51
2020-08-17 07:52:39 C 20 45 35.748 -20 10 09.16 U F51
2020-08-17 08:08:34 C 20 45 34.970 -20 10 10.91 U F51
2020-08-22 07:32:19 C 20 40 10.288 -20 21 30.81 U F51
2020-08-22 07:46:24 C 20 40 09.663 -20 21 32.18 U F51
2020-08-22 08:00:29 C 20 40 09.044 -20 21 33.37 U F51
2020-08-22 08:14:38 C 20 40 08.401 -20 21 34.52 U F51
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)