2021 TR1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6233571048 ± 2.60e-01
Semi-major axis (a)2.5089316512 AU ± 1.64e+00
Inclination (i)14.30988001° ± 4.11e+00
Long. of Asc. Node (Ω)4.05860252° ± 5.25e-01
Arg. of Perihelion (ω)44.45520171° ± 1.18e+01
Mean Anomaly (M)6.02318595° ± 4.74e+02
Mean Motion (n)0.2480162400°/day ± 2.43e-01
Perihelion dist (q)0.94497210 AU ± 9.00e-01
Aphelion dist (Q)4.07281970 AU ± 2.74e+00
Orbital Period3.97396430 yr ± 3.90e+00
Physical Parameters
H (abs. magnitude)25.07
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.379″
Uncertainty3
Orbit TypeApollo
MOID0.038713 AU
Observations Used35
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-10-05
Observations (35)
Date Type RA Dec Mag Band Observatory
2021-10-03 18:00:57 C 21 31 22.47 +10 08 18.6 o K88
2021-10-03 18:03:49 C 21 31 20.76 +10 09 04.2 o K88
2021-10-03 18:06:40 C 21 31 18.87 +10 09 51.4 o K88
2021-10-03 18:48:42 C 21 30 52.40 +10 21 13.4 o K88
2021-10-03 18:52:14 C 21 30 50.11 +10 22 11.9 o K88
2021-10-03 18:56:13 C 21 30 47.62 +10 23 16.5 o K88
2021-10-03 19:26:09 C 21 30 31.24 +10 31 13.8 V J95
2021-10-03 19:38:21 C 21 30 23.52 +10 34 32.4 V J95
2021-10-03 19:46:27 C 21 30 18.38 +10 36 45.1 V J95
2021-10-03 19:57:45 C 21 30 11.19 +10 39 49.1 V J95
2021-10-04 00:53:25 C 21 27 12.00 +12 01 37.5 u H21
2021-10-04 00:59:00 C 21 27 08.33 +12 03 10.8 u H21
2021-10-04 01:04:35 C 21 27 04.65 +12 04 43.9 u H21
2021-10-04 02:04:03 C 21 26 28.14 +12 21 29.6 X 858
2021-10-04 02:10:55 C 21 26 23.60 +12 23 24.8 X 858
2021-10-04 02:17:34 C 21 26 19.13 +12 25 16.9 X 858
2021-10-04 02:54:16 C 21 25 56.43 +12 35 34.7 V 654
2021-10-04 03:24:26 C 21 25 36.18 +12 44 03.6 V 654
2021-10-04 04:01:03 C 21 25 11.45 +12 54 22.2 V 654
2021-10-04 19:07:23 C 21 15 07.62 +17 15 58.5 V L01
2021-10-04 19:09:07 C 21 15 06.35 +17 16 28.8 V L01
2021-10-04 19:10:50 C 21 15 05.07 +17 16 59.2 V L01
2021-10-04 19:12:33 C 21 15 03.84 +17 17 30.0 V L01
2021-10-04 19:14:16 C 21 15 02.54 +17 18 00.5 V L01
2021-10-05 01:07:23 C 21 10 54.59 +19 03 43.1 V 734
2021-10-05 01:17:55 C 21 10 46.52 +19 06 54.4 V 734
2021-10-05 01:28:13 C 21 10 38.65 +19 10 00.9 V 734
2021-10-05 01:59:20 C 21 10 16.58 +19 19 33.1 X 858
2021-10-05 02:05:11 C 21 10 12.04 +19 21 19.5 X 858
2021-10-05 02:10:58 C 21 10 07.56 +19 23 04.2 X 858
2021-10-05 17:49:57 C 20 58 05.82 +24 09 42.5 V K88
2021-10-05 17:53:37 C 20 58 02.74 +24 10 49.9 V K88
2021-10-05 18:00:57 C 20 57 56.59 +24 13 05.8 V K88
2021-10-05 18:04:53 C 20 57 53.27 +24 14 19.9 V K88
2021-10-05 18:08:50 C 20 57 49.89 +24 15 33.1 V K88