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
2001-09-12 03:49:39 C 18 13 26.46 +18 25 52.6 c 658
2001-09-12 03:52:37 C 18 13 26.59 +18 26 00.3 c 658
2001-09-12 04:03:57 C 18 13 26.69 +18 26 33.1 17.2 c 704
2001-09-12 04:38:58 C 18 13 28.62 +18 27 58.2 c 642
2001-09-12 04:42:08 C 18 13 28.80 +18 28 05.9 c 642
2001-09-12 04:47:47 C 18 13 28.98 +18 28 20.0 c 642
2001-09-12 04:49:22 C 18 13 29.10 +18 28 24.7 c 642
2001-09-12 04:50:57 C 18 13 29.17 +18 28 28.2 c 642
2001-09-12 05:01:30 C 18 13 29.42 +18 28 59.3 c 670
2001-09-12 05:50:22 C 18 13 31.56 +18 31 03.2 c 670
2001-09-12 06:47:11 C 18 13 33.99 +18 33 19.2 719
2001-09-12 06:55:55 C 18 13 34.41 +18 33 45.6 719
2001-09-12 19:21:55 C 18 14 11.08 +19 04 35.5 d 587
2001-09-12 19:29:24 C 18 14 11.45 +19 04 53.5 d 587
2001-09-12 19:51:08 C 18 14 12.39 +19 05 46.0 17.3 c 143
2001-09-12 19:54:33 C 18 14 12.53 +19 05 53.6 17.4 c 143
2001-09-12 19:57:51 C 18 14 12.69 +19 06 01.9 17.6 c 143
2001-09-12 20:33:46 C 18 14 14.23 +19 07 29.2 c 104
2001-09-12 20:38:45 C 18 14 14.43 +19 07 41.4 c 104
2001-09-12 20:43:58 C 18 14 14.67 +19 07 53.8 c 104
2001-09-12 20:46:45 C 18 14 14.78 +19 08 00.6 c 104
2001-09-12 20:49:19 C 18 14 14.91 +19 08 06.8 c 104
2001-09-14 04:29:28 C 18 15 45.30 +20 20 57.7 c 642
2001-09-14 04:37:16 C 18 15 45.67 +20 21 14.3 c 642
2001-09-14 04:41:45 C 18 15 45.86 +20 21 23.8 c 642
2001-09-14 04:44:49 C 18 15 45.96 +20 21 30.6 c 642
2001-09-15 19:27:34 C 18 17 34.69 +21 41 26.5 c 157
2001-09-15 19:36:59 C 18 17 35.06 +21 41 44.6 c 157
2001-09-15 20:10:54 C 18 17 36.51 +21 42 50.3 c 157
2001-09-16 03:09:57 C 18 17 56.48 +21 56 19.8 c 670
2001-09-16 04:10:35 C 18 17 58.88 +21 58 14.3 c 670
2001-09-16 06:13:56 C 18 18 04.16 +22 02 06.2 c 670
2001-09-16 22:10:48 C 18 18 48.64 +22 31 25.9 c 118
2001-09-16 22:12:19 C 18 18 48.70 +22 31 28.8 c 118
2001-09-16 22:19:54 C 18 18 49.04 +22 31 41.9 c 118
2001-09-17 11:21:48 C 18 19 25.56 +22 54 53.5 360
2001-09-17 11:23:59 C 18 19 25.66 +22 54 57.3 360
2001-09-17 11:26:19 C 18 19 25.75 +22 55 01.3 360
2001-09-19 10:22:21 C 18 21 35.87 +24 11 34.0 402
2001-09-19 10:24:15 C 18 21 35.94 +24 11 37.1 402
2001-09-19 10:26:09 C 18 21 36.05 +24 11 39.7 402
2001-09-20 19:45:13 C 18 23 08.07 +25 00 27.9 c 118
2001-09-20 19:46:51 C 18 23 08.13 +25 00 30.9 c 118
2001-09-24 18:17:47 C 18 27 31.56 +26 59 21.5 071
2001-09-24 18:29:17 C 18 27 32.04 +26 59 35.8 071
2001-09-24 18:35:47 C 18 27 32.37 +26 59 42.6 071
2001-09-25 18:40:37 C 18 28 40.08 +27 26 05.3 071
2001-09-25 18:47:11 C 18 28 40.29 +27 26 12.2 071
2001-09-25 18:53:24 C 18 28 40.61 +27 26 18.5 071
2001-10-01 04:09:40 C 18 34 52.31 +29 27 23.6 d 649
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)