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
2022-03-30 18:39:29 C 10 11 08.85 -18 15 54.7 V C40
2022-03-30 18:41:36 C 10 11 09.20 -18 15 56.1 V C40
2022-03-30 18:45:08 C 10 11 09.78 -18 15 58.9 V C40
2022-03-31 02:36:51 C 10 12 29.729 -18 20 56.08 V W68
2022-03-31 02:41:54 C 10 12 30.526 -18 20 59.64 V W68
2022-03-31 03:40:29 C 10 12 39.739 -18 21 41.54 V W68
2022-03-31 04:24:46 C 10 12 46.740 -18 22 12.50 V W68
2022-03-31 10:00:59 C 10 13 44.65 -18 26 08.2 q E89
2022-03-31 10:04:31 C 10 13 45.24 -18 26 10.5 q E89
2022-03-31 10:07:38 C 10 13 45.75 -18 26 12.4 q E89
2022-03-31 10:10:12 C 10 13 46.12 -18 26 14.6 q E89
2022-03-31 16:48:48 C 10 14 54.12 -18 31 46.4 V C40
2022-03-31 17:35:18 C 10 15 01.45 -18 32 19.4 V C40
2022-03-31 17:43:47 C 10 15 02.77 -18 32 25.4 V C40
2022-04-01 03:19:14 C 10 16 36.350 -18 38 02.44 V W68
2022-04-01 03:23:10 C 10 16 36.946 -18 38 04.92 V W68
2022-04-01 04:02:48 C 10 16 43.006 -18 38 30.41 V W68
2022-04-01 04:11:14 C 10 16 44.297 -18 38 35.70 V W68
2022-04-01 07:33:51 C 10 17 19.049 -18 41 25.84 V T08
2022-04-01 07:37:09 C 10 17 19.543 -18 41 27.96 V T08
2022-04-01 07:41:44 C 10 17 20.234 -18 41 30.91 V T08
2022-04-01 07:58:25 C 10 17 22.735 -18 41 41.78 V T08
2022-04-02 10:14:26 C 10 21 35.39 -18 57 07.4 q E89
2022-04-02 10:19:12 C 10 21 36.08 -18 57 10.3 q E89
2022-04-02 10:23:56 C 10 21 36.82 -18 57 12.9 q E89
2022-04-02 10:26:30 C 10 21 37.22 -18 57 14.5 q E89
2022-04-02 23:45:41 C 10 23 44.32 -19 04 56.1 V W94
2022-04-02 23:53:47 C 10 23 45.49 -19 05 01.0 V W94
2022-04-03 00:01:54 C 10 23 46.65 -19 05 05.7 V W94
2022-04-03 05:22:37 C 10 24 34.564 -19 08 37.97 V 703
2022-04-03 05:30:15 C 10 24 35.644 -19 08 42.72 V 703
2022-04-03 05:37:53 C 10 24 36.796 -19 08 46.14 V 703
2022-04-03 05:45:31 C 10 24 37.843 -19 08 49.96 V 703
2022-04-03 17:59:05 C 10 26 32.014 -19 14 29.69 V M22
2022-04-03 18:41:40 C 10 26 38.074 -19 14 52.55 V M22
2022-04-03 18:52:55 C 10 26 39.665 -19 14 58.49 V M22
2022-04-03 19:19:05 C 10 26 43.363 -19 15 12.28 V M22
2022-04-04 18:14:03 C 10 30 08.326 -19 26 54.67 V M44
2022-04-04 18:30:23 C 10 30 10.570 -19 27 02.20 V M44
2022-04-04 18:49:38 C 10 30 13.260 -19 27 10.98 V M44
2022-04-05 00:11:15 C 10 31 01.31 -19 29 08.2 q Y00
2022-04-05 00:13:26 C 10 31 01.69 -19 29 09.6 q Y00
2022-04-05 00:15:37 C 10 31 02.07 -19 29 10.7 q Y00
2022-04-05 05:54:54 C 10 31 50.747 -19 32 12.55 V G96
2022-04-05 06:02:21 C 10 31 51.762 -19 32 15.83 V G96
2022-04-05 06:09:49 C 10 31 52.770 -19 32 18.96 V G96
2022-04-05 06:17:16 C 10 31 53.785 -19 32 22.06 V G96
2022-04-05 17:50:22 C 10 33 34.946 -19 37 13.55 V M44
2022-04-05 18:19:09 C 10 33 38.729 -19 37 25.54 V M44
2022-04-05 18:30:02 C 10 33 40.123 -19 37 29.46 V M44
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)