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
2014-09-29 18:53:08 C 18 41 13.02 +40 17 28.5 q 160
2014-09-29 18:56:29 C 18 41 13.08 +40 17 29.3 q 160
2014-10-04 18:19:39 C 18 44 30.70 +40 41 16.5 q 160
2014-10-04 18:22:34 C 18 44 30.80 +40 41 17.0 q 160
2014-10-04 18:25:31 C 18 44 30.88 +40 41 17.7 q 160
2014-10-05 01:44:14 C 18 44 44.90 +40 42 39.7 q 448
2014-10-05 01:52:35 C 18 44 45.16 +40 42 41.3 q 448
2014-10-05 02:00:32 C 18 44 45.36 +40 42 42.4 q 448
2014-10-05 02:09:28 C 18 44 45.61 +40 42 43.7 q 448
2014-10-07 12:16:47 C 18 46 43.37 +40 52 49.0 o 300
2014-10-07 12:18:16 C 18 46 43.39 +40 52 49.6 o 300
2014-10-07 12:19:39 C 18 46 43.41 +40 52 49.1 o 300
2014-10-07 12:22:23 C 18 46 43.58 +40 52 49.9 o 300
2014-10-12 13:00:35 S 18 51 26.55 +41 12 09.1 L C51
2014-10-12 16:10:00 S 18 51 34.55 +41 12 37.9 L C51
2014-10-12 19:19:25 S 18 51 42.69 +41 13 07.4 L C51
2014-10-12 22:28:39 S 18 51 50.83 +41 13 37.4 L C51
2014-10-13 01:38:04 S 18 51 58.89 +41 14 05.8 L C51
2014-10-13 04:47:29 S 18 52 07.10 +41 14 34.0 L C51
2014-10-13 06:22:07 S 18 52 11.13 +41 14 48.9 L C51
2014-10-13 07:56:54 S 18 52 15.31 +41 15 04.4 L C51
2014-10-13 09:31:32 S 18 52 19.39 +41 15 17.5 L C51
2014-10-13 11:06:19 S 18 52 23.43 +41 15 32.4 L C51
2014-10-13 14:15:44 S 18 52 31.72 +41 16 01.0 L C51
2014-10-13 15:50:22 S 18 52 35.86 +41 16 14.9 L C51
2014-10-13 17:24:59 S 18 52 39.96 +41 16 29.3 L C51
2014-10-13 20:34:24 S 18 52 48.38 +41 16 58.4 L C51
2014-10-14 02:53:14 S 18 53 05.16 +41 17 55.9 L C51
2014-10-14 04:27:51 S 18 53 09.29 +41 18 10.5 L C51
2014-10-14 06:02:39 S 18 53 13.46 +41 18 23.5 L C51
2014-10-14 09:12:04 S 18 53 21.99 +41 18 51.7 L C51
2014-10-14 15:30:43 S 18 53 38.98 +41 19 48.9 L C51
2014-10-14 17:05:31 S 18 53 43.32 +41 20 03.3 L C51
2014-10-14 18:40:08 S 18 53 47.45 +41 20 18.5 L C51
2014-10-14 23:24:11 S 18 54 00.36 +41 21 01.0 L C51
2014-10-15 00:58:58 S 18 54 04.70 +41 21 14.9 L C51
2014-10-15 04:08:23 S 18 54 13.40 +41 21 42.1 L C51
2014-10-15 08:52:26 S 18 54 26.36 +41 22 25.0 L C51
2014-10-15 12:01:51 S 18 54 35.04 +41 22 54.7 L C51
2014-10-15 15:11:05 S 18 54 43.82 +41 23 21.7 L C51
2014-10-15 15:11:16 S 18 54 43.75 +41 23 21.8 L C51
2014-10-15 18:20:30 S 18 54 52.65 +41 23 50.1 L C51
2014-10-15 21:29:55 S 18 55 01.37 +41 24 17.9 L C51
2017-01-10 14:24:41 C 11 18 12.379 -18 04 09.12 L F51
2017-01-10 14:41:06 C 11 18 12.026 -18 04 21.11 L F51
2017-01-10 14:57:31 C 11 18 11.633 -18 04 32.54 L F51
2017-01-10 15:13:58 C 11 18 11.280 -18 04 44.34 L F51
2017-03-07 09:16:32 C 09 48 41.217 -30 38 28.73 L F51
2017-03-07 09:30:29 C 09 48 39.822 -30 38 31.17 L F51
2017-03-07 09:44:26 C 09 48 38.427 -30 38 33.38 L F51
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)