IAA RAS IAA Minor Planet Database

2021 XT2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5674931885 ± 6.13e-04
Semi-major axis (a)1.8887972567 AU ± 2.63e-03
Inclination (i)12.30988148° ± 7.96e-03
Long. of Asc. Node (Ω)100.38045459° ± 7.12e-03
Arg. of Perihelion (ω)60.35028803° ± 1.49e-02
Mean Anomaly (M)166.75358189° ± 1.09e+00
Mean Motion (n)0.3796944606°/day ± 7.92e-04
Perihelion dist (q)0.81691768 AU ± 1.62e-03
Aphelion dist (Q)2.96067683 AU ± 4.28e-03
Orbital Period2.59584057 yr ± 5.41e-03
Physical Parameters
H (abs. magnitude)22.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.292″
Uncertainty4
Orbit TypeApollo
MOID0.007848 AU
Observations Used33
Oppositions1
Arc Total2021-2021
First Observation Used2021-12-03
Last Observation Used2021-12-20
Observations (35)
Date Type RA Dec Mag Band Observatory
2021-12-03 09:24:02 C 08 10 31.29 +01 52 00.8 – V G96
2021-12-03 09:31:27 C 08 10 33.07 +01 51 58.3 – V G96
2021-12-03 09:38:54 C 08 10 34.92 +01 51 56.6 – V G96
2021-12-03 12:18:46 C 08 11 14.16 +01 51 13.3 – V I52
2021-12-03 12:20:50 C 08 11 14.69 +01 51 13.2 – V I52
2021-12-03 12:22:54 C 08 11 15.16 +01 51 13.0 – V I52
2021-12-03 12:24:58 C 08 11 15.67 +01 51 12.1 – V I52
2021-12-04 07:52:46 C 08 16 21.11 +01 45 58.1 – u H21
2021-12-04 07:59:05 C 08 16 22.76 +01 45 56.6 – u H21
2021-12-05 05:03:38 C 08 22 07.60 +01 40 14.7 – V 033
2021-12-05 05:06:43 C 08 22 08.49 +01 40 14.0 – V 033
2021-12-05 05:09:55 C 08 22 09.32 +01 40 12.8 – V 033
2021-12-05 08:25:03 C 08 23 05.73 +01 39 26.7 – u H21
2021-12-05 08:29:21 C 08 23 06.93 +01 39 25.8 – u H21
2021-12-05 08:33:23 C 08 23 08.03 +01 39 24.4 – u H21
2021-12-05 09:35:01 C 08 23 25.83 +01 39 11.7 – V I52
2021-12-05 09:36:53 C 08 23 26.32 +01 39 11.1 – V I52
2021-12-05 09:38:45 C 08 23 26.83 +01 39 09.9 – V I52
2021-12-05 09:40:37 C 08 23 27.34 +01 39 10.3 – V I52
2021-12-09 09:05:26 C 08 54 16.78 +01 13 51.7 – V I52
2021-12-09 09:12:50 C 08 54 19.44 +01 13 49.9 – V I52
2021-12-09 09:15:46 C 08 54 20.47 +01 13 49.2 – V I52
2021-12-12 10:00:28 C 09 23 44.77 +00 54 20.5 – V I52
2021-12-12 10:01:21 C 09 23 45.27 +00 54 20.4 – V I52
2021-12-12 10:02:13 C 09 23 45.60 +00 54 19.8 – V I52
2021-12-13 12:07:45 C 09 35 45.73 +00 47 15.9 – V I52
2021-12-13 12:08:26 C 09 35 46.09 +00 47 15.7 – V I52
2021-12-13 12:09:07 C 09 35 46.36 +00 47 15.5 – V I52
2021-12-13 12:09:49 C 09 35 46.72 +00 47 14.4 – V I52
2021-12-15 06:59:35 C 09 57 22.33 +00 36 19.8 – u 807
2021-12-15 07:12:57 C 09 57 29.30 +00 36 16.1 – u 807
2021-12-15 07:17:24 C 09 57 31.57 +00 36 15.4 – u 807
2021-12-20 10:59:32 C 11 12 12.02 +00 00 41.0 – V 290
2021-12-20 11:13:24 C 11 12 21.08 +00 00 36.7 – V 290
2021-12-20 11:27:29 C 11 12 30.27 +00 00 33.1 – V 290