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
2022-02-04 19:22:19 V 03 54 14.65 +35 15 31.9 14.8 V 270
2022-02-04 19:22:19 v 1 358.27165 +47.21990 270
2022-02-04 19:49:19 V 03 54 18.69 +35 15 05.1 15.2 V 270
2022-02-04 19:49:19 v 1 358.27165 +47.21990 270
2022-02-05 15:17:16 C 03 58 14.04 +34 52 19.0 Y N42
2022-02-05 15:18:13 C 03 58 14.23 +34 52 17.8 Y N42
2022-02-05 15:19:11 C 03 58 14.42 +34 52 16.7 Y N42
2022-02-05 15:20:10 C 03 58 14.60 +34 52 15.3 Y N42
2022-02-05 15:21:08 C 03 58 14.79 +34 52 14.1 Y N42
2022-02-05 17:36:43 C 03 58 41.07 +34 49 21.0 Y N42
2022-02-05 17:37:41 C 03 58 41.28 +34 49 19.6 Y N42
2022-02-05 17:38:38 C 03 58 41.43 +34 49 18.4 Y N42
2022-02-05 17:40:34 C 03 58 41.88 +34 49 16.2 Y N42
2022-02-07 06:24:11 C 04 06 34.76 +34 03 14.1 V T05
2022-02-07 06:29:27 C 04 06 35.80 +34 03 06.6 V T05
2022-02-07 06:33:25 C 04 06 36.65 +34 03 02.1 V T05
2022-02-07 06:38:02 C 04 06 37.56 +34 02 55.2 V T05
2022-02-07 06:39:21 C 04 06 37.84 +34 02 54.0 V T05
2022-02-07 06:47:54 C 04 06 39.56 +34 02 42.1 V T05
2022-02-07 06:53:35 C 04 06 40.68 +34 02 33.8 V T05
2022-02-07 07:02:14 C 04 06 42.45 +34 02 22.2 V T05
2022-02-07 15:08:34 C 04 08 32.70 +33 50 50.9 q 168
2022-02-07 15:27:34 C 04 08 36.63 +33 51 01.7 q C97
2022-02-07 15:28:25 C 04 08 36.81 +33 51 00.5 q C97
2022-02-07 15:29:16 C 04 08 36.98 +33 50 59.2 q C97
2022-02-07 15:30:09 C 04 08 37.19 +33 50 58.0 q C97
2022-02-07 15:58:52 C 04 08 43.38 +33 49 41.7 q 168
2022-02-07 16:39:31 C 04 08 52.05 +33 48 44.9 q 168
2022-02-07 17:36:30 C 04 09 04.28 +33 47 24.5 q 168
2022-02-08 04:29:27 V 04 11 33.14 +33 32 43.6 15.0 V 270
2022-02-08 04:29:27 v 1 238.06454 +36.59995 270
2022-02-08 04:38:31 C 04 11 35.20 +33 32 23.8 V U52
2022-02-08 04:42:51 C 04 11 36.15 +33 32 17.6 V U52
2022-02-08 05:07:22 C 04 11 41.39 +33 31 41.6 V U52
2022-02-08 05:11:42 C 04 11 42.33 +33 31 35.3 V U52
2022-02-08 05:19:38 V 04 11 43.86 +33 31 29.5 12.8 V 270
2022-02-08 05:19:38 v 1 238.06454 +36.59995 270
2022-02-08 06:03:20 V 04 11 53.22 +33 30 26.0 13.8 V 270
2022-02-08 06:03:20 v 1 238.06454 +36.59995 270
2022-02-08 06:15:15 V 04 11 56.02 +33 30 08.2 15.1 V 270
2022-02-08 06:15:15 v 1 238.06454 +36.59995 270
2022-02-08 07:21:31 C 04 12 11.82 +33 28 54.3 V T05
2022-02-08 07:26:08 C 04 12 12.80 +33 28 47.4 V T05
2022-02-08 07:36:02 C 04 12 14.90 +33 28 32.6 V T05
2022-02-08 07:54:03 C 04 12 18.76 +33 28 05.4 V T05
2022-02-08 09:37:47 V 04 12 45.00 +33 26 26.5 14.7 V 270
2022-02-08 09:37:47 v 1 151.66009 -32.96852 270
2022-02-08 10:36:03 V 04 12 57.34 +33 25 02.2 15.2 V 270
2022-02-08 10:36:03 v 1 151.66009 -32.96852 270
2022-02-08 11:06:26 V 04 13 03.92 +33 24 16.4 14.9 V 270
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)