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
2022-02-08 11:06:26 v 1 151.66009 -32.96852 270
2022-02-08 11:36:13 V 04 13 10.40 +33 23 31.8 14.6 V 270
2022-02-08 11:36:13 v 1 151.66009 -32.96852 270
2022-02-08 21:03:32 V 04 15 23.98 +33 08 37.6 15.1 V 270
2022-02-08 21:03:32 v 1 005.14473 +45.52603 270
2022-02-08 21:39:17 V 04 15 31.99 +33 07 42.3 14.9 V 270
2022-02-08 21:39:17 v 1 005.14473 +45.52603 270
2022-02-08 22:23:30 V 04 15 41.99 +33 06 32.7 15.1 V 270
2022-02-08 22:23:30 v 1 005.14473 +45.52603 270
2022-02-08 23:05:31 V 04 15 51.68 +33 05 27.1 15.2 V 270
2022-02-08 23:05:31 v 1 005.14473 +45.52603 270
2022-02-09 00:21:34 V 04 16 13.34 +33 04 02.3 14.6 V 270
2022-02-09 00:21:34 v 1 276.64247 +33.90559 270
2022-02-09 01:21:03 V 04 16 25.62 +33 02 25.8 14.9 V 270
2022-02-09 01:21:03 v 1 286.90040 +40.92648 270
2022-02-09 01:59:06 V 04 16 34.00 +33 01 25.0 14.8 V 270
2022-02-09 01:59:06 v 1 286.90040 +40.92648 270
2022-02-09 02:43:54 V 04 16 44.26 +33 00 14.2 14.9 V 270
2022-02-09 02:43:54 v 1 286.90040 +40.92648 270
2022-02-09 03:28:56 V 04 16 54.42 +32 59 04.4 15.1 V 270
2022-02-09 03:28:56 v 1 286.90040 +40.92648 270
2022-02-09 05:35:24 V 04 17 23.64 +32 55 51.8 14.6 V 270
2022-02-09 05:35:24 v 1 276.64247 +33.90559 270
2022-02-09 06:15:07 V 04 17 33.18 +32 54 45.9 14.9 V 270
2022-02-09 06:15:07 v 1 276.64247 +33.90559 270
2022-02-09 07:20:49 V 04 17 48.36 +32 53 06.5 14.3 V 270
2022-02-09 07:20:49 v 1 276.64247 +33.90559 270
2022-02-09 07:25:05 C 04 17 51.83 +32 53 38.0 V T05
2022-02-09 07:29:42 C 04 17 52.86 +32 53 30.6 V T05
2022-02-09 07:39:37 C 04 17 55.06 +32 53 14.8 V T05
2022-02-09 08:09:25 C 04 18 01.75 +32 52 27.2 V T05
2022-02-09 12:12:36 V 04 19 01.30 +32 46 03.8 14.9 V 270
2022-02-09 12:12:36 v 1 135.50854 +34.81767 270
2022-02-09 12:14:35 V 04 19 01.74 +32 46 00.1 14.7 V 270
2022-02-09 12:14:35 v 1 135.50854 +34.81767 270
2022-02-09 12:16:34 V 04 19 02.14 +32 45 57.5 14.7 V 270
2022-02-09 12:16:34 v 1 135.50854 +34.81767 270
2022-02-09 19:18:04 C 04 20 46.82 +32 34 50.9 V K85
2022-02-09 19:39:13 C 04 20 51.70 +32 34 17.5 V K85
2022-02-09 20:05:24 C 04 20 57.75 +32 33 35.6 V K85
2022-02-10 17:56:56 S 04 26 26.239 +31 58 42.20 L C51
2022-02-10 21:30:11 C 04 27 17.85 +31 52 18.7 V 073
2022-02-10 21:37:09 C 04 27 19.59 +31 52 06.4 V 073
2022-02-10 21:43:03 C 04 27 21.07 +31 51 55.9 V 073
2022-02-11 18:59:47 C 04 32 56.64 +31 15 17.9 V K85
2022-02-11 19:21:46 C 04 33 02.14 +31 14 38.4 V K85
2022-02-11 19:45:46 C 04 33 08.15 +31 13 55.1 V K85
2022-02-11 20:28:46 C 04 33 17.71 +31 12 38.0 V A92
2022-02-11 20:42:06 C 04 33 21.08 +31 12 13.4 V A92
2022-02-11 20:55:53 C 04 33 24.60 +31 11 47.2 V A92
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)