285944 (2001 RZ11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5063047856 ± 2.43e-09
Semi-major axis (a)2.1921919637 AU ± 8.71e-10
Inclination (i)53.10578838° ± 2.69e-06
Long. of Asc. Node (Ω)323.98124740° ± 4.93e-07
Arg. of Perihelion (ω)340.56864453° ± 2.34e-06
Mean Anomaly (M)174.70738575° ± 1.04e-06
Mean Motion (n)0.3036647661°/day ± 1.81e-10
Perihelion dist (q)1.08227468 AU ± 5.35e-09
Aphelion dist (Q)3.30210925 AU ± 5.49e-09
Orbital Period3.24577097 yr ± 1.93e-09
Physical Parameters
H (abs. magnitude)16.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.212″
Uncertainty0
Orbit TypeAmor
MOID0.088085 AU
Observations Used839
Radar Obs Used5
Gaia Obs Used57
Oppositions11
Arc Total2001-2017
First Observation Used2001-09-10
Last Observation Used2026-01-10
Observations (957)
Date Type RA Dec Mag Band Observatory
2011-07-05 00:39:27 C 01 55 11.98 +42 53 57.0 r A17
2011-07-05 00:56:19 C 01 55 13.44 +42 54 33.5 r A17
2011-07-05 01:13:13 C 01 55 15.01 +42 55 09.1 r A17
2011-07-12 01:04:47 C 02 11 09.99 +48 41 39.1 r A17
2011-07-12 01:14:36 C 02 11 10.98 +48 41 58.7 r A17
2011-07-12 01:38:30 C 02 11 13.32 +48 42 47.7 r A17
2014-01-19 05:46:39 C 12 20 01.83 -44 29 31.3 u 807
2014-01-19 06:02:23 C 12 20 01.92 -44 29 53.6 u 807
2014-01-19 06:20:32 C 12 20 02.02 -44 30 19.5 u 807
2014-01-20 06:53:34 C 12 20 10.45 -45 04 51.1 u 807
2014-01-20 07:01:16 C 12 20 10.44 -45 05 02.1 u 807
2014-01-20 07:10:30 C 12 20 10.50 -45 05 15.1 u 807
2014-01-21 07:23:51 C 12 20 16.66 -45 39 35.2 u 807
2014-01-21 07:30:33 C 12 20 16.67 -45 39 44.6 u 807
2014-01-21 07:38:39 C 12 20 16.69 -45 39 56.1 u 807
2014-02-10 09:03:19 C 12 11 06.94 -57 46 41.2 u 807
2014-02-10 09:09:37 C 12 11 06.64 -57 46 51.0 u 807
2014-02-10 09:17:10 C 12 11 06.23 -57 47 02.6 u 807
2014-03-17 04:36:33 C 09 22 40.21 -75 09 47.4 u 807
2014-03-17 04:43:13 C 09 22 37.41 -75 09 50.3 u 807
2014-03-17 04:49:53 C 09 22 34.67 -75 09 53.0 u 807
2014-03-23 23:41:24 C 08 14 15.09 -75 26 54.3 u 807
2014-03-23 23:46:51 C 08 14 12.76 -75 26 53.7 u 807
2014-03-23 23:53:13 C 08 14 10.15 -75 26 52.3 u 807
2014-04-03 23:30:27 C 06 43 56.20 -73 07 13.5 u 807
2014-04-03 23:35:00 C 06 43 54.96 -73 07 09.9 u 807
2014-04-03 23:39:03 C 06 43 53.88 -73 07 06.3 u 807
2014-07-27 06:59:31 S 04 23 54.12 -55 43 17.1 L C51
2014-07-27 10:08:56 S 04 23 24.97 -55 45 21.6 L C51
2014-07-27 13:18:21 S 04 22 55.35 -55 47 27.3 L C51
2014-07-27 14:53:09 S 04 22 40.41 -55 48 30.6 L C51
2014-07-27 16:27:58 S 04 22 25.29 -55 49 34.0 L C51
2014-07-27 18:02:34 S 04 22 10.11 -55 50 38.3 L C51
2014-07-27 19:37:23 S 04 21 54.79 -55 51 42.2 L C51
2014-07-27 21:11:59 S 04 21 39.43 -55 52 47.2 L C51
2014-07-27 21:12:10 S 04 21 39.37 -55 52 46.9 L C51
2014-07-27 22:46:48 S 04 21 23.85 -55 53 52.0 L C51
2014-07-28 00:21:36 S 04 21 08.17 -55 54 57.2 L C51
2014-08-08 07:30:45 C 02 29 44.51 -59 52 17.1 q W86
2014-08-08 07:32:01 C 02 29 43.30 -59 52 17.7 q W86
2014-08-08 07:33:08 C 02 29 42.24 -59 52 18.1 q W86
2014-08-08 07:34:15 C 02 29 41.21 -59 52 18.7 q W86
2014-08-08 07:35:22 C 02 29 40.23 -59 52 19.1 q W86
2014-08-08 07:36:29 C 02 29 39.10 -59 52 19.5 q W86
2014-08-08 07:37:38 C 02 29 38.08 -59 52 20.1 q W86
2014-08-08 07:38:45 C 02 29 37.02 -59 52 20.6 q W86
2014-08-08 07:39:52 C 02 29 35.97 -59 52 21.0 q W86
2014-08-08 07:41:00 C 02 29 34.88 -59 52 21.6 q W86
2014-08-08 09:00:50 C 02 28 19.59 -59 52 52.3 q W86
2014-08-08 09:01:59 C 02 28 18.49 -59 52 52.8 q W86
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-08-18 07:50:00 90013723 10 us 8560 -14 -14
2014-08-18 08:40:00 90150731 2 us 8560 -14 -14
2014-08-21 02:13:00 110568796.37 4 us 2380 -1 -1
2014-08-22 01:55:00 121545101.28 1 us 2380 -1 -1
2014-08-24 01:21:00 146858532.18 1 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)