2021 RT9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3776952000
Semi-major axis (a)1.6966099000 AU
Inclination (i)29.24842000°
Long. of Asc. Node (Ω)351.61188000°
Arg. of Perihelion (ω)301.12696000°
Mean Anomaly (M)350.72834000°
Mean Motion (n)0.4459961100°/day
Perihelion dist (q)1.05580850 AU
Aphelion dist (Q)2.33741130 AU
Orbital Period2.20990190 yr
Physical Parameters
H (abs. magnitude)23.02
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.540″
Uncertainty7
Orbit TypeAmor
MOID0.180304 AU
Observations Used27
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-26
Observations (29)
Date Type RA Dec Mag Band Observatory
2021-09-09 11:58:27 C 00 42 45.131 +02 27 26.39 U F52
2021-09-09 12:16:16 C 00 42 40.126 +02 28 41.02 U F52
2021-09-09 12:51:49 C 00 42 30.153 +02 31 09.52 U F52
2021-09-09 14:56:12 C 00 41 55.460 +02 39 49.01 V F51
2021-09-09 14:57:07 C 00 41 55.200 +02 39 52.93 V F51
2021-09-10 00:05:48 C 00 39 29.65 +03 17 35.5 V 033
2021-09-10 00:08:08 C 00 39 28.98 +03 17 45.1 V 033
2021-09-10 00:10:27 C 00 39 28.33 +03 17 54.9 V 033
2021-09-10 00:12:50 C 00 39 27.69 +03 18 04.6 V 033
2021-09-10 07:01:48 C 00 37 38.07 +03 46 13.8 u H21
2021-09-10 07:13:55 C 00 37 34.72 +03 47 03.3 u H21
2021-09-10 07:24:01 C 00 37 31.94 +03 47 44.7 u H21
2021-09-10 07:35:36 C 00 37 28.73 +03 48 31.9 u H21
2021-09-10 08:13:22 C 00 37 19.20 +03 51 09.9 V G96
2021-09-10 08:22:14 C 00 37 16.71 +03 51 47.3 V G96
2021-09-10 08:31:07 C 00 37 14.23 +03 52 23.5 V G96
2021-09-10 08:32:11 C 00 37 15.693 +03 52 33.92 U F51
2021-09-10 08:39:59 C 00 37 11.77 +03 52 59.2 V G96
2021-09-10 08:44:31 C 00 37 12.292 +03 53 24.75 U F51
2021-09-10 08:56:53 C 00 37 08.876 +03 54 15.49 U F51
2021-09-11 21:40:19 C 00 27 26.76 +06 20 31.4 V 033
2021-09-11 21:43:08 C 00 27 26.02 +06 20 42.0 V 033
2021-09-11 21:45:57 C 00 27 25.26 +06 20 53.2 V 033
2021-09-11 23:29:36 C 00 26 57.63 +06 27 38.7 X L01
2021-09-11 23:32:09 C 00 26 56.93 +06 27 48.6 X L01
2021-09-11 23:35:59 C 00 26 55.90 +06 28 03.8 X L01
2021-09-26 04:26:15 C 23 14 27.88 +21 58 03.6 u H21
2021-09-26 04:36:46 C 23 14 26.16 +21 58 20.9 u H21
2021-09-26 04:48:09 C 23 14 24.28 +21 58 40.1 u H21