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
2021-10-16 08:19:42 C 04 06 24.60 +35 02 54.3 V G96
2021-10-16 08:26:23 C 04 06 24.72 +35 02 57.9 V G96
2021-10-16 08:32:54 C 04 06 24.83 +35 03 01.5 V G96
2021-10-17 11:31:46 C 04 06 57.17 +35 17 38.8 V T05
2021-10-17 11:36:23 C 04 06 57.29 +35 17 41.2 V T05
2021-10-17 11:41:01 C 04 06 57.35 +35 17 44.2 V T05
2021-10-17 12:07:56 C 04 06 57.79 +35 17 59.6 V T05
2021-10-20 11:02:49 C 04 08 09.55 +35 56 46.8 V T05
2021-10-20 11:05:27 C 04 08 09.59 +35 56 48.0 V T05
2021-10-20 11:09:26 C 04 08 09.61 +35 56 50.0 V T05
2021-10-20 11:16:53 C 04 08 09.69 +35 56 54.6 V T05
2021-10-27 09:03:02 C 04 09 31.97 +37 30 01.4 V 703
2021-10-27 09:11:21 C 04 09 31.95 +37 30 05.7 V 703
2021-10-27 09:19:44 C 04 09 31.89 +37 30 11.1 V 703
2021-10-27 09:28:08 C 04 09 31.87 +37 30 16.2 V 703
2021-10-27 10:50:16 C 04 09 31.71 +37 31 02.2 V V00
2021-10-27 10:57:17 C 04 09 31.69 +37 31 06.1 V V00
2021-10-27 11:04:17 C 04 09 31.67 +37 31 10.0 V V00
2021-10-27 11:07:16 C 04 09 32.44 +37 31 15.4 V T08
2021-10-27 11:11:17 C 04 09 31.64 +37 31 14.1 V V00
2021-10-27 11:11:54 C 04 09 32.41 +37 31 18.1 V T08
2021-10-27 11:16:34 C 04 09 32.42 +37 31 20.4 V T08
2021-10-27 11:25:13 C 04 09 32.36 +37 31 25.8 V T08
2021-10-27 11:25:53 C 04 09 32.39 +37 31 25.8 V T08
2021-10-27 11:29:12 C 04 09 32.31 +37 31 27.7 V T08
2021-10-27 11:33:12 C 04 09 32.35 +37 31 30.2 V T08
2021-10-27 12:16:44 C 04 09 32.21 +37 31 55.1 V T08
2021-10-28 12:40:49 C 04 09 32.71 +37 45 51.8 V T05
2021-10-28 13:16:20 C 04 09 32.53 +37 46 11.9 V T05
2021-10-28 13:22:57 C 04 09 32.50 +37 46 15.7 V T05
2021-10-28 13:32:43 C 04 09 32.44 +37 46 21.2 V T05
2021-10-30 06:57:12 C 04 09 27.09 +38 10 04.1 V 703
2021-10-30 07:05:37 C 04 09 27.03 +38 10 09.0 V 703
2021-10-30 07:14:01 C 04 09 26.90 +38 10 14.5 V 703
2021-10-30 07:22:27 C 04 09 26.79 +38 10 19.0 V 703
2021-10-30 12:14:12 C 04 09 25.02 +38 13 10.8 V T08
2021-10-30 12:18:14 C 04 09 25.03 +38 13 13.0 V T08
2021-10-30 12:31:48 C 04 09 24.88 +38 13 20.7 V T08
2021-10-30 12:49:51 C 04 09 24.70 +38 13 31.3 V T08
2021-11-01 16:46:27 C 04 09 02.482 +38 43 35.83 V P07
2021-11-01 18:01:37 C 04 09 01.361 +38 44 19.03 V P07
2021-11-01 19:02:23 C 04 09 00.473 +38 44 53.70 V P07
2021-11-01 20:02:52 C 04 08 59.599 +38 45 27.43 V P07
2021-11-02 07:20:45 C 04 08 53.44 +38 51 48.2 V 703
2021-11-02 07:29:05 C 04 08 53.24 +38 51 53.3 V 703
2021-11-02 07:37:29 C 04 08 53.19 +38 51 58.4 V 703
2021-11-02 07:45:57 C 04 08 53.02 +38 52 03.3 V 703
2021-11-04 07:43:19 C 04 08 14.05 +39 19 43.2 V G96
2021-11-04 07:50:53 C 04 08 13.90 +39 19 47.7 V G96
2021-11-04 07:58:25 C 04 08 13.74 +39 19 52.1 V G96
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)