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
2014-08-30 19:50:04 C 19 00 18.46 +30 37 24.3 a 233
2014-08-30 19:57:08 C 19 00 17.40 +30 37 43.6 a 233
2014-08-30 20:01:47 C 19 00 16.74 +30 37 55.9 a 233
2014-08-30 20:07:03 C 19 00 15.97 +30 38 10.0 a 233
2014-08-30 20:24:50 C 19 00 13.97 +30 39 01.8 q Z81
2014-08-30 20:50:07 C 19 00 09.51 +30 40 02.9 15.7 q K90
2014-08-30 21:03:11 C 19 00 08.43 +30 40 43.8 q Z81
2014-08-30 22:04:36 C 18 59 59.44 +30 43 22.3 r 006
2014-08-30 22:12:30 C 18 59 58.36 +30 43 42.3 r 006
2014-08-30 22:18:05 C 18 59 57.49 +30 43 57.5 r 006
2014-08-30 22:25:03 C 18 59 56.54 +30 44 15.7 r 006
2014-08-30 23:15:48 C 18 59 49.15 +30 46 22.2 15.7 q K90
2014-08-30 23:47:36 C 18 59 44.85 +30 47 43.6 15.6 q K90
2014-08-31 21:20:19 C 18 57 03.55 +31 40 52.0 15.6 q K90
2014-08-31 21:23:25 C 18 57 03.17 +31 40 58.8 15.7 q K90
2014-09-01 20:12:27 C 18 54 31.76 +32 30 46.0 q Z81
2014-09-01 20:50:04 C 18 54 27.50 +32 32 02.8 q Z81
2014-09-01 21:43:59 C 18 54 21.41 +32 33 51.9 q Z81
2014-09-01 22:29:28 C 18 54 16.05 +32 35 17.4 q 160
2014-09-01 22:32:38 C 18 54 15.70 +32 35 23.7 q 160
2014-09-01 22:35:49 C 18 54 15.38 +32 35 29.5 q 160
2014-09-02 19:18:34 C 18 52 14.65 +33 15 14.3 q B04
2014-09-02 19:56:54 C 18 52 10.80 +33 16 23.8 q B04
2014-09-02 20:37:16 C 18 52 06.78 +33 17 36.6 q B04
2014-09-02 20:40:18 C 18 52 06.55 +33 17 40.0 c 127
2014-09-02 20:44:43 C 18 52 06.08 +33 17 47.7 c 127
2014-09-02 20:49:42 C 18 52 05.60 +33 17 56.8 c 127
2014-09-02 21:17:37 C 18 52 02.76 +33 18 48.0 q B04
2014-09-02 21:58:00 C 18 51 58.82 +33 19 59.7 q B04
2014-09-02 22:21:32 C 18 51 56.41 +33 20 42.3 q 160
2014-09-02 22:24:52 C 18 51 56.12 +33 20 47.9 q 160
2014-09-02 22:28:18 C 18 51 55.76 +33 20 53.9 q 160
2014-09-02 22:38:22 C 18 51 54.90 +33 21 11.0 q B04
2014-09-02 23:20:11 C 18 51 50.89 +33 22 23.9 q B04
2014-09-04 01:54:54 C 18 49 36.41 +34 06 53.4 u H21
2014-09-04 01:58:07 C 18 49 36.13 +34 06 58.4 u H21
2014-09-04 02:02:03 C 18 49 35.79 +34 07 04.5 u H21
2014-09-04 02:06:22 C 18 49 35.42 +34 07 11.3 u H21
2014-09-04 02:09:56 C 18 49 35.10 +34 07 16.8 u H21
2014-09-04 02:14:35 C 18 49 34.69 +34 07 24.1 u H21
2014-09-04 06:00:43 C 18 49 17.330 +34 13 22.90 L F51
2014-09-04 06:38:02 C 18 49 14.097 +34 14 20.08 L F51
2014-09-04 06:56:44 C 18 49 12.477 +34 14 48.51 L F51
2014-09-04 23:55:47 C 18 47 57.64 +34 39 33.9 q I15
2014-09-04 23:58:25 C 18 47 57.44 +34 39 37.6 q I15
2014-09-05 00:02:01 C 18 47 57.15 +34 39 42.7 q I15
2014-09-06 18:06:48 C 18 45 16.61 +35 33 42.3 t 585
2014-09-06 18:07:22 C 18 45 16.57 +35 33 43.2 t 585
2014-09-06 18:08:10 C 18 45 16.49 +35 33 44.2 17.6 t 585
2014-09-06 18:09:36 C 18 45 16.43 +35 33 45.7 t 585
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)