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
2023-01-22 11:46:54 C 10 15 46.136 +14 59 59.05 U F52
2023-02-12 07:37:34 C 09 45 34.121 +14 36 37.44 V G96
2023-02-12 07:44:55 C 09 45 33.595 +14 36 37.12 V G96
2023-02-12 07:52:17 C 09 45 33.131 +14 36 36.43 V G96
2023-02-12 07:59:39 C 09 45 32.587 +14 36 35.78 V G96
2026-01-10 17:14:50 C 10 11 52.711 +29 03 45.06 W O18
2026-01-10 17:15:36 C 10 11 52.672 +29 03 45.05 W O18
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)