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
2021-12-28 13:44:11 C 02 51 44.27 +44 12 47.5 q 168
2021-12-28 14:02:04 C 02 51 43.56 +44 12 42.6 q 168
2021-12-28 14:17:07 C 02 51 42.96 +44 12 38.4 q 168
2021-12-28 14:32:09 C 02 51 42.34 +44 12 34.2 q 168
2021-12-31 22:58:42 C 02 49 29.67 +43 45 16.6 X C95
2021-12-31 23:09:21 C 02 49 29.31 +43 45 11.9 X C95
2022-01-03 03:04:10 C 02 48 46.09 +43 25 56.1 V 703
2022-01-03 03:12:31 C 02 48 45.86 +43 25 52.5 V 703
2022-01-03 03:21:11 C 02 48 45.63 +43 25 49.2 V 703
2022-01-03 03:29:51 C 02 48 45.44 +43 25 46.2 V 703
2022-01-04 18:27:35 C 02 48 33.13 +43 10 14.2 V L92
2022-01-04 18:36:10 C 02 48 33.06 +43 10 11.2 V L92
2022-01-04 18:44:10 C 02 48 32.93 +43 10 07.6 V L92
2022-01-05 14:12:13 C 02 48 34.39 +43 01 56.8 q 168
2022-01-05 16:03:12 C 02 48 34.66 +43 01 19.1 V C40
2022-01-05 16:04:43 C 02 48 34.65 +43 01 18.7 V C40
2022-01-05 16:06:16 C 02 48 34.64 +43 01 18.1 V C40
2022-01-05 16:07:50 C 02 48 34.61 +43 01 17.6 V C40
2022-01-05 16:09:21 C 02 48 34.60 +43 01 16.9 V C40
2022-01-05 16:14:00 C 02 48 34.57 +43 01 15.0 V C40
2022-01-05 16:18:36 C 02 48 34.53 +43 01 13.3 V C40
2022-01-05 16:26:18 C 02 48 34.47 +43 01 10.2 V C40
2022-01-05 16:29:23 C 02 48 34.45 +43 01 08.7 V C40
2022-01-05 16:35:35 C 02 48 34.41 +43 01 06.2 V C40
2022-01-05 16:37:06 C 02 48 34.40 +43 01 05.8 V C40
2022-01-05 16:38:40 C 02 48 34.38 +43 01 05.1 V C40
2022-01-05 16:41:45 C 02 48 34.36 +43 01 03.7 V C40
2022-01-05 16:46:22 C 02 48 34.32 +43 01 02.1 V C40
2022-01-05 16:48:31 C 02 48 34.30 +43 01 01.1 V C40
2022-01-05 16:50:05 C 02 48 34.30 +43 01 00.5 V C40
2022-01-05 16:51:36 C 02 48 34.29 +43 00 59.8 V C40
2022-01-05 16:54:41 C 02 48 34.27 +43 00 58.7 V C40
2022-01-05 16:56:14 C 02 48 34.25 +43 00 58.0 V C40
2022-01-05 16:57:46 C 02 48 34.25 +43 00 57.4 V C40
2022-01-05 16:59:19 C 02 48 34.23 +43 00 56.7 V C40
2022-01-05 17:02:23 C 02 48 34.19 +43 00 55.4 V C40
2022-01-05 17:03:57 C 02 48 34.19 +43 00 54.8 V C40
2022-01-05 17:07:02 C 02 48 34.16 +43 00 53.6 V C40
2022-01-05 17:08:33 C 02 48 34.15 +43 00 52.9 V C40
2022-01-05 17:10:06 C 02 48 34.14 +43 00 52.3 V C40
2022-01-05 17:11:38 C 02 48 34.13 +43 00 51.7 V C40
2022-01-05 17:13:11 C 02 48 34.11 +43 00 51.0 V C40
2022-01-05 17:21:23 C 02 48 33.42 +43 00 38.8 q 168
2022-01-05 18:31:14 C 02 48 33.17 +43 00 07.6 q 168
2022-01-05 19:32:59 C 02 48 33.05 +42 59 39.1 q 168
2022-01-07 03:24:45 C 02 48 47.96 +42 46 36.4 V 703
2022-01-07 03:33:29 C 02 48 47.96 +42 46 32.8 V 703
2022-01-07 03:41:32 C 02 48 47.91 +42 46 29.1 V 703
2022-01-07 03:49:21 C 02 48 47.88 +42 46 25.5 V 703
2022-01-09 08:20:57 C 02 49 37.52 +42 23 32.1 V T05
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)