2021 TR21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2039484000
Semi-major axis (a)0.8530550000 AU
Inclination (i)2.08266000°
Long. of Asc. Node (Ω)230.95234000°
Arg. of Perihelion (ω)349.58460000°
Mean Anomaly (M)224.60462000°
Mean Motion (n)1.2509459300°/day
Perihelion dist (q)0.67907580 AU
Aphelion dist (Q)1.02703420 AU
Orbital Period0.78788990 yr
Physical Parameters
H (abs. magnitude)26.36
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.680″
Uncertainty7
Orbit TypeAten
MOID0.013284 AU
Observations Used28
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-11-01
Observations (29)
Date Type RA Dec Mag Band Observatory
2021-10-15 02:49:49 C 21 21 03.70 +29 26 07.8 V G96
2021-10-15 02:59:01 C 21 21 06.23 +29 24 36.9 V G96
2021-10-15 03:08:12 C 21 21 08.80 +29 23 05.1 V G96
2021-10-15 03:17:26 C 21 21 11.26 +29 21 32.8 V G96
2021-10-15 04:02:21 C 21 21 23.57 +29 14 05.2 V G96
2021-10-15 04:06:58 C 21 21 24.88 +29 13 18.8 V G96
2021-10-15 04:09:21 C 21 21 25.58 +29 12 54.0 V G96
2021-10-16 04:21:17 C 21 29 25.57 +25 26 26.2 V G96
2021-10-16 04:21:53 C 21 29 25.74 +25 26 20.8 V G96
2021-10-16 04:22:29 C 21 29 25.92 +25 26 16.2 V G96
2021-10-16 18:11:17 C 21 33 33.52 +23 27 24.9 X 595
2021-10-16 18:30:09 C 21 33 37.45 +23 24 50.3 X 595
2021-10-16 18:49:01 C 21 33 41.42 +23 22 15.7 X 595
2021-10-17 01:59:16 C 21 35 40.33 +22 25 11.8 X 858
2021-10-17 02:18:23 C 21 35 43.97 +22 22 41.6 X 858
2021-10-17 02:33:24 C 21 35 41.68 +22 20 22.5 u H21
2021-10-17 02:33:37 C 21 35 46.81 +22 20 42.8 X 858
2021-10-17 02:41:28 C 21 35 43.19 +22 19 18.0 u H21
2021-10-17 02:47:30 C 21 35 44.37 +22 18 29.7 u H21
2021-10-17 03:18:54 C 21 35 58.64 +22 14 48.4 V 654
2021-10-17 03:29:42 C 21 35 58.62 +22 13 33.2 V G96
2021-10-17 03:32:07 C 21 35 59.07 +22 13 14.4 V G96
2021-10-17 03:34:32 C 21 35 59.51 +22 12 54.9 V G96
2021-10-17 03:52:17 C 21 36 04.83 +22 10 26.4 V 654
2021-10-17 04:21:03 C 21 36 10.17 +22 06 39.6 V 654
2021-10-28 06:11:05 C 22 14 58.59 +02 22 13.1 V 291
2021-10-28 06:22:59 C 22 14 59.30 +02 21 43.4 V 291
2021-11-01 04:53:11 C 22 22 56.28 -00 47 15.3 o 291
2021-11-01 05:14:41 C 22 22 57.37 -00 47 50.6 o 291