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
2017-03-07 09:58:22 C 09 48 37.040 -30 38 35.52 L F51
2019-01-14 11:18:35 C 09 25 09.679 +58 21 24.32 U F51
2019-01-14 11:58:41 C 09 25 05.543 +58 21 28.76 U F51
2019-01-14 12:18:44 C 09 25 03.442 +58 21 30.91 U F51
2019-02-09 08:08:15 C 08 20 30.352 +57 00 17.79 U F51
2019-02-09 08:27:42 C 08 20 28.532 +57 00 10.85 U F51
2019-02-09 08:47:08 C 08 20 26.712 +57 00 03.81 U F51
2019-02-09 09:06:30 C 08 20 24.890 +56 59 56.85 U F51
2019-03-12 01:14:00 C 07 36 44.05 +50 41 58.7 u H21
2019-03-12 01:30:20 C 07 36 43.63 +50 41 48.8 u H21
2019-03-12 01:47:25 C 07 36 43.12 +50 41 38.1 u H21
2020-01-02 13:35:59 C 10 53 42.754 +01 09 59.77 U F51
2020-01-02 13:52:55 C 10 53 42.384 +01 09 53.96 U F51
2020-01-02 14:09:52 C 10 53 42.021 +01 09 48.83 U F51
2020-01-02 14:26:47 C 10 53 41.652 +01 09 43.29 U F51
2020-01-19 12:31:34 C 10 40 47.540 -00 55 10.36 U F52
2020-01-19 12:48:48 C 10 40 46.781 -00 55 14.60 U F52
2020-01-19 13:06:01 C 10 40 46.030 -00 55 19.87 U F52
2020-01-19 13:23:11 C 10 40 45.268 -00 55 24.71 U F52
2020-01-25 10:53:07 C 10 34 08.547 -01 33 50.57 U F51
2020-01-25 11:11:16 C 10 34 07.613 -01 33 55.44 U F51
2020-01-25 11:29:26 C 10 34 06.666 -01 34 00.03 U F51
2020-01-25 11:47:40 C 10 34 05.726 -01 34 04.88 U F51
2020-01-27 09:58:27 C 10 31 42.365 -01 45 53.66 U F51
2020-01-27 10:15:05 C 10 31 41.476 -01 45 57.94 U F51
2020-01-27 10:31:42 C 10 31 40.574 -01 46 02.13 U F51
2020-01-27 10:48:19 C 10 31 39.679 -01 46 06.18 U F51
2020-01-28 08:46:49 C 10 30 28.99 -01 51 36.1 V G96
2020-01-28 08:54:11 C 10 30 28.58 -01 51 38.0 V G96
2020-01-28 09:01:35 C 10 30 28.20 -01 51 39.3 V G96
2020-01-28 09:08:58 C 10 30 27.74 -01 51 41.7 V G96
2020-02-17 06:47:11 C 09 59 56.45 -03 26 18.6 V G96
2020-02-17 06:55:18 C 09 59 55.88 -03 26 19.8 V G96
2020-02-17 07:03:25 C 09 59 55.33 -03 26 20.9 V G96
2020-02-17 07:11:33 C 09 59 54.73 -03 26 22.0 V G96
2020-02-27 05:37:37 C 09 42 48.75 -03 54 00.8 V G96
2020-02-27 05:45:03 C 09 42 48.20 -03 54 02.3 V G96
2020-02-27 05:52:28 C 09 42 47.63 -03 54 02.5 V G96
2020-02-27 05:59:53 C 09 42 47.08 -03 54 03.6 V G96
2020-03-22 08:37:48 C 09 06 18.087 -04 17 12.26 U F52
2020-03-22 08:52:54 C 09 06 17.307 -04 17 12.46 U F52
2020-03-22 09:08:01 C 09 06 16.540 -04 17 12.50 U F52
2020-03-22 09:23:05 C 09 06 15.746 -04 17 12.38 U F52
2022-03-02 04:41:47 C 06 27 10.38 +62 52 14.8 V V00
2022-03-02 04:49:42 C 06 27 10.29 +62 52 08.7 V V00
2022-03-02 04:57:35 C 06 27 10.20 +62 52 02.5 V V00
2022-03-02 05:05:29 C 06 27 10.12 +62 51 56.4 V V00
2023-01-22 10:59:49 C 10 15 48.650 +15 00 01.29 U F52
2023-01-22 11:15:28 C 10 15 47.804 +15 00 00.41 U F52
2023-01-22 11:31:08 C 10 15 46.974 +14 59 59.73 U F52
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)