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
2014-08-10 06:15:52 C 01 38 46.91 -59 33 20.0 q W86
2014-08-10 07:25:15 C 01 37 16.29 -59 31 47.0 q W86
2014-08-10 07:30:50 C 01 37 08.92 -59 31 39.1 q W86
2014-08-10 08:52:03 C 01 35 21.46 -59 29 38.2 q W86
2014-08-10 08:57:43 C 01 35 13.94 -59 29 29.3 q W86
2014-08-10 10:15:06 C 01 33 30.59 -59 27 21.5 q W86
2014-08-10 10:20:38 C 01 33 23.21 -59 27 12.0 q W86
2014-08-11 17:47:41 C 00 48 17.03 -57 57 10.1 q Q64
2014-08-11 17:51:27 C 00 48 11.08 -57 56 54.0 q Q64
2014-08-11 17:55:36 C 00 48 04.50 -57 56 36.0 q Q64
2014-08-11 17:59:46 C 00 47 57.93 -57 56 18.0 q Q64
2014-08-11 18:42:49 C 00 46 49.65 -57 53 08.7 q Q64
2014-08-11 18:46:59 C 00 46 42.99 -57 52 50.2 q Q64
2014-08-11 19:24:01 C 00 45 44.18 -57 50 03.0 q Q64
2014-08-11 19:28:12 C 00 45 37.53 -57 49 44.0 q Q64
2014-08-11 19:32:21 C 00 45 30.90 -57 49 24.7 q Q64
2014-08-12 13:12:26 C 00 17 14.11 -56 11 38.8 14.3 u Q62
2014-08-12 13:14:39 C 00 17 10.40 -56 11 24.6 14.3 u Q62
2014-08-12 13:16:32 C 00 17 07.30 -56 11 12.6 14.3 u Q62
2014-08-12 13:19:25 C 00 17 02.43 -56 10 53.5 14.2 u Q62
2014-08-13 03:16:48 C 23 53 41.25 -54 23 51.4 q W87
2014-08-13 03:19:38 C 23 53 36.43 -54 23 27.3 q W87
2014-08-13 03:24:23 C 23 53 28.28 -54 22 46.7 q W87
2014-08-13 03:29:03 C 23 53 20.32 -54 22 06.8 q W87
2014-08-13 03:33:49 C 23 53 12.15 -54 21 26.0 q W87
2014-08-13 06:47:24 C 23 47 38.94 -53 52 43.0 q W86
2014-08-13 06:51:09 C 23 47 32.48 -53 52 08.2 q W86
2014-08-13 06:55:48 C 23 47 24.43 -53 51 24.9 q W86
2014-08-13 07:00:30 C 23 47 16.32 -53 50 41.2 q W86
2014-08-13 07:05:11 C 23 47 08.19 -53 49 57.3 q W86
2014-08-13 07:44:23 C 23 46 00.44 -53 43 48.4 q W87
2014-08-13 07:49:01 C 23 45 52.43 -53 43 04.4 q W87
2014-08-13 07:53:40 C 23 45 44.41 -53 42 20.3 q W87
2014-08-13 07:58:23 C 23 45 36.23 -53 41 35.3 q W87
2014-08-13 09:05:54 C 23 43 39.66 -53 30 43.1 q W86
2014-08-13 09:10:39 C 23 43 31.47 -53 29 56.5 q W86
2014-08-13 09:15:22 C 23 43 23.36 -53 29 10.3 q W86
2014-08-13 09:20:01 C 23 43 15.34 -53 28 24.6 q W86
2014-08-16 01:47:50 C 22 01 14.84 -36 59 21.9 r Y00
2014-08-16 02:04:37 C 22 00 50.87 -36 53 33.1 r Y00
2014-08-16 02:18:52 C 22 00 30.45 -36 48 37.4 r Y00
2014-08-17 20:34:52 C 21 09 32.68 -21 06 07.5 q K40
2014-08-17 20:38:34 C 21 09 28.81 -21 04 43.6 q K40
2014-08-17 20:52:59 C 21 09 13.62 -20 59 14.8 q K40
2014-08-17 20:57:03 C 21 09 09.34 -20 57 41.9 q K40
2014-08-17 23:24:19 C 21 06 36.26 -20 01 40.6 q 619
2014-08-17 23:26:33 C 21 06 33.96 -20 00 50.2 q 619
2014-08-17 23:27:16 C 21 06 33.24 -20 00 34.4 q 619
2014-08-18 19:54:42 C 20 47 21.43 -12 26 29.9 12.7 q K90
2014-08-18 20:10:52 C 20 47 07.11 -12 20 44.7 12.8 q K90
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)