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
2021-11-28 10:19:00 C 03 41 45.87 +44 11 19.4 V T08
2021-11-28 10:34:15 C 03 41 44.62 +44 11 24.4 V T08
2021-12-02 09:55:53 C 03 34 27.22 +44 41 00.5 V T08
2021-12-02 10:00:32 C 03 34 26.80 +44 41 01.5 V T08
2021-12-02 10:09:10 C 03 34 26.01 +44 41 03.7 V T08
2021-12-02 10:15:08 C 03 34 25.50 +44 41 05.1 V T08
2021-12-02 10:19:47 C 03 34 25.10 +44 41 06.4 V T08
2021-12-02 10:23:46 C 03 34 24.74 +44 41 07.1 V T08
2021-12-02 10:29:44 C 03 34 24.22 +44 41 08.7 V T08
2021-12-02 10:47:00 C 03 34 22.72 +44 41 12.8 V T08
2021-12-02 23:48:33 C 03 33 23.24 +44 44 21.5 X W34
2021-12-02 23:59:22 C 03 33 22.35 +44 44 24.8 X W34
2021-12-03 00:10:31 C 03 33 21.44 +44 44 28.4 X W34
2021-12-03 02:18:09 C 03 33 10.99 +44 44 53.9 q U55
2021-12-03 02:32:34 C 03 33 09.85 +44 44 58.7 q U55
2021-12-03 02:49:12 C 03 33 08.73 +44 45 04.1 q U55
2021-12-05 21:09:04 C 03 27 46.28 +44 59 32.3 V 130
2021-12-05 21:10:42 C 03 27 46.12 +44 59 32.7 V 130
2021-12-05 21:12:22 C 03 27 45.99 +44 59 33.0 V 130
2021-12-05 21:14:00 C 03 27 45.83 +44 59 33.3 V 130
2021-12-07 08:31:16 C 03 24 51.20 +45 05 18.7 q H45
2021-12-07 08:32:49 C 03 24 51.03 +45 05 18.9 q H45
2021-12-07 08:36:46 C 03 24 50.71 +45 05 19.1 q H45
2021-12-07 08:38:13 C 03 24 50.58 +45 05 19.4 q H45
2021-12-07 08:40:03 C 03 24 50.43 +45 05 19.5 q H45
2021-12-07 08:44:40 C 03 24 50.01 +45 05 20.1 q H45
2021-12-10 08:46:15 C 03 19 00.69 +45 13 23.2 V T08
2021-12-10 08:50:54 C 03 19 00.27 +45 13 23.5 V T08
2021-12-10 08:58:54 C 03 18 59.55 +45 13 24.0 V T08
2021-12-10 09:49:30 C 03 18 54.96 +45 13 26.5 V T08
2021-12-12 07:13:24 C 03 15 17.87 +45 15 24.8 V G96
2021-12-12 07:21:50 C 03 15 17.15 +45 15 24.6 V G96
2021-12-12 07:30:17 C 03 15 16.41 +45 15 24.4 V G96
2021-12-12 07:38:43 C 03 15 15.68 +45 15 24.3 V G96
2021-12-13 16:23:13 C 03 12 45.11 +45 15 40.7 q C97
2021-12-13 16:24:24 C 03 12 45.00 +45 15 40.7 q C97
2021-12-13 16:25:36 C 03 12 44.91 +45 15 40.8 q C97
2021-12-14 09:07:20 C 03 11 26.80 +45 15 22.9 V T08
2021-12-14 09:11:59 C 03 11 26.39 +45 15 22.6 V T08
2021-12-14 09:21:57 C 03 11 25.53 +45 15 22.1 V T08
2021-12-14 09:40:32 C 03 11 23.93 +45 15 20.8 V T08
2021-12-14 15:05:34 C 03 11 02.05 +45 15 06.3 q C97
2021-12-14 15:06:46 C 03 11 01.95 +45 15 06.3 q C97
2021-12-14 15:07:57 C 03 11 01.85 +45 15 06.4 q C97
2021-12-14 15:09:10 C 03 11 01.75 +45 15 06.4 q C97
2021-12-14 16:00:09 C 03 10 57.45 +45 15 06.8 q C97
2021-12-14 16:01:21 C 03 10 57.34 +45 15 06.9 q C97
2021-12-14 16:02:32 C 03 10 57.25 +45 15 06.9 q C97
2021-12-14 16:03:43 C 03 10 57.23 +45 15 07.1 q C97
2021-12-19 15:51:09 C 03 02 31.81 +45 03 40.4 V C40
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)