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
2021-11-04 08:05:58 C 04 08 13.57 +39 19 56.5 V G96
2021-11-04 12:10:22 C 04 08 09.30 +39 22 20.5 V T08
2021-11-04 12:15:00 C 04 08 09.18 +39 22 23.2 V T08
2021-11-04 12:25:37 C 04 08 08.95 +39 22 29.1 V T08
2021-11-04 13:16:00 C 04 08 07.86 +39 22 57.4 V T08
2021-11-06 12:13:27 C 04 07 15.07 +39 49 57.4 V T05
2021-11-06 12:18:05 C 04 07 14.98 +39 49 59.9 V T05
2021-11-06 12:27:59 C 04 07 14.70 +39 50 05.7 V T05
2021-11-06 13:19:09 C 04 07 13.37 +39 50 34.2 V T05
2021-11-08 10:14:28 C 04 06 10.61 +40 16 13.9 V T08
2021-11-08 10:17:46 C 04 06 10.48 +40 16 16.0 V T08
2021-11-08 10:25:04 C 04 06 10.25 +40 16 20.2 V T08
2021-11-08 10:39:38 C 04 06 09.79 +40 16 28.5 V T08
2021-11-09 19:38:41 C 04 05 15.54 +40 34 55.6 V G33
2021-11-09 19:42:21 C 04 05 15.43 +40 34 57.5 V G33
2021-11-09 19:45:32 C 04 05 15.34 +40 34 59.7 V G33
2021-11-09 19:48:56 C 04 05 15.23 +40 35 01.6 V G33
2021-11-09 19:52:05 C 04 05 15.14 +40 35 03.3 V G33
2021-11-09 19:55:37 C 04 05 15.01 +40 35 05.7 V G33
2021-11-09 20:00:19 C 04 05 14.87 +40 35 08.2 V G33
2021-11-09 20:03:40 C 04 05 14.78 +40 35 10.0 V G33
2021-11-09 20:07:02 C 04 05 14.67 +40 35 12.2 V G33
2021-11-09 20:22:24 C 04 05 14.21 +40 35 21.0 V G33
2021-11-09 20:25:39 C 04 05 14.10 +40 35 22.9 V G33
2021-11-09 20:29:12 C 04 05 13.97 +40 35 25.1 V G33
2021-11-11 13:58:19 C 04 03 55.32 +40 58 36.9 Y N42
2021-11-11 14:01:28 C 04 03 55.20 +40 58 38.9 Y N42
2021-11-11 14:04:37 C 04 03 55.09 +40 58 40.7 Y N42
2021-11-11 14:10:52 C 04 03 54.88 +40 58 44.4 Y N42
2021-11-11 14:20:14 C 04 03 54.55 +40 58 49.9 Y N42
2021-11-11 14:23:24 C 04 03 54.45 +40 58 51.9 Y N42
2021-11-11 14:27:38 C 04 03 54.30 +40 58 54.3 Y N42
2021-11-11 14:30:47 C 04 03 54.19 +40 58 56.2 Y N42
2021-11-11 18:01:27 C 04 03 46.35 +41 00 58.6 Y N42
2021-11-11 18:04:35 C 04 03 46.22 +41 01 00.4 Y N42
2021-11-11 18:07:46 C 04 03 46.10 +41 01 02.2 Y N42
2021-11-11 18:10:55 C 04 03 45.98 +41 01 04.0 Y N42
2021-11-11 18:14:04 C 04 03 45.85 +41 01 05.8 Y N42
2021-11-11 18:17:14 C 04 03 45.73 +41 01 07.6 Y N42
2021-11-11 19:43:17 C 04 03 41.48 +41 01 56.3 V D29
2021-11-11 20:03:39 C 04 03 40.68 +41 02 07.0 V D29
2021-11-11 20:24:01 C 04 03 39.92 +41 02 17.6 V D29
2021-11-12 11:07:24 C 04 03 09.67 +41 10 34.3 V T08
2021-11-12 11:12:04 C 04 03 09.47 +41 10 36.7 V T08
2021-11-12 11:21:24 C 04 03 09.09 +41 10 42.0 V T08
2021-11-12 12:10:30 C 04 03 06.99 +41 11 08.4 V T08
2021-11-12 13:36:40 C 04 03 05.45 +41 11 41.1 Y N42
2021-11-12 13:39:48 C 04 03 05.35 +41 11 43.0 Y N42
2021-11-12 13:42:57 C 04 03 05.23 +41 11 44.9 Y N42
2021-11-12 13:46:06 C 04 03 05.11 +41 11 46.7 Y N42
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)