2021 RZ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5002071000
Semi-major axis (a)2.0935140000 AU
Inclination (i)5.02689000°
Long. of Asc. Node (Ω)175.26272000°
Arg. of Perihelion (ω)175.15534000°
Mean Anomaly (M)137.71647000°
Mean Motion (n)0.3253795700°/day
Perihelion dist (q)1.04632340 AU
Aphelion dist (Q)3.14070460 AU
Orbital Period3.02910130 yr
Physical Parameters
H (abs. magnitude)26.54
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.740″
Uncertainty8
Orbit TypeAmor
MOID0.039089 AU
Observations Used25
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-12
Observations (25)
Date Type RA Dec Mag Band Observatory
2021-09-09 04:30:24 C 21 23 15.24 +05 41 19.8 V G96
2021-09-09 04:37:58 C 21 23 20.38 +05 41 17.3 V G96
2021-09-09 04:45:30 C 21 23 25.47 +05 41 13.6 V G96
2021-09-09 04:53:03 C 21 23 30.52 +05 41 10.3 V G96
2021-09-09 06:39:36 C 21 24 42.67 +05 40 21.9 V G96
2021-09-09 06:40:38 C 21 24 43.38 +05 40 20.6 V G96
2021-09-09 19:59:42 C 21 34 42.76 +05 32 53.3 V 033
2021-09-09 20:01:19 C 21 34 43.93 +05 32 52.6 V 033
2021-09-09 20:02:55 C 21 34 45.11 +05 32 51.7 V 033
2021-09-09 20:04:34 C 21 34 46.30 +05 32 50.9 V 033
2021-09-09 21:09:19 C 21 35 32.98 +05 32 32.1 V L01
2021-09-09 21:10:48 C 21 35 34.11 +05 32 30.9 V L01
2021-09-09 21:12:18 C 21 35 35.17 +05 32 30.3 V L01
2021-09-10 02:58:21 C 21 40 03.59 +05 29 31.2 u H21
2021-09-10 03:02:23 C 21 40 06.55 +05 29 28.9 u H21
2021-09-10 03:15:03 C 21 40 19.17 +05 29 32.7 q 858
2021-09-10 03:24:58 C 21 40 26.40 +05 29 27.2 q 858
2021-09-10 03:37:26 C 21 40 35.57 +05 29 20.4 q 858
2021-09-10 07:11:15 C 21 43 22.438 +05 28 00.56 U F51
2021-09-10 07:29:06 C 21 43 35.572 +05 27 50.10 U F51
2021-09-10 07:46:42 C 21 43 48.470 +05 27 39.88 U F51
2021-09-10 08:04:23 C 21 44 01.449 +05 27 29.62 U F51
2021-09-12 20:14:26 C 22 34 46.91 +04 37 52.2 V 033
2021-09-12 20:15:31 C 22 34 47.83 +04 37 51.1 V 033
2021-09-12 20:16:35 C 22 34 48.74 +04 37 50.1 V 033