2021 TQ21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5491937199 ± 1.03e-08
Semi-major axis (a)2.1004381861 AU ± 3.71e-09
Inclination (i)4.28619715° ± 1.73e-06
Long. of Asc. Node (Ω)202.57339436° ± 1.51e-05
Arg. of Perihelion (ω)263.36627497° ± 1.76e-05
Mean Anomaly (M)100.40818301° ± 1.66e-06
Mean Motion (n)0.3237780614°/day ± 8.59e-10
Perihelion dist (q)0.94689073 AU ± 2.18e-08
Aphelion dist (Q)3.25398565 AU ± 2.25e-08
Orbital Period3.04414165 yr ± 8.08e-09
Physical Parameters
H (abs. magnitude)22.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.235″
Uncertainty0
Orbit TypeApollo
MOID0.059779 AU
Observations Used174
Oppositions3
Arc Total2021-2025
First Observation Used2021-10-13
Last Observation Used2025-03-29
Observations (180)
Date Type RA Dec Mag Band Observatory
2025-02-23 04:35:32 C 09 13 22.980 -22 12 44.50 V W68
2025-02-23 08:44:52 C 09 14 58.551 -21 58 43.69 X F51
2025-02-23 09:05:30 C 09 15 05.658 -21 57 29.31 X F51
2025-02-23 09:22:20 C 09 15 11.493 -21 56 27.94 X F51
2025-02-24 06:42:21 C 09 22 45.300 -20 40 38.89 V 703
2025-02-24 06:45:40 C 09 22 46.423 -20 40 26.98 V 703
2025-02-24 06:48:59 C 09 22 47.388 -20 40 16.25 V 703
2025-02-24 06:52:19 C 09 22 48.464 -20 40 04.01 V 703
2025-02-28 09:59:06 C 09 50 50.098 -15 30 57.06 V T08
2025-02-28 10:13:18 C 09 50 53.174 -15 30 17.46 V T08
2025-02-28 10:17:54 C 09 50 54.158 -15 30 04.79 V T08
2025-02-28 10:25:48 C 09 50 55.829 -15 29 42.86 V T08
2025-03-01 07:03:35 C 09 55 35.479 -14 34 28.42 V 703
2025-03-01 07:06:53 C 09 55 36.084 -14 34 18.52 V 703
2025-03-01 07:10:10 C 09 55 36.714 -14 34 09.66 V 703
2025-03-01 07:13:29 C 09 55 37.488 -14 34 00.52 V 703
2025-03-10 03:19:40 C 10 29 14.39 -07 23 09.0 V H21
2025-03-10 03:22:31 C 10 29 14.70 -07 23 04.7 V H21
2025-03-10 03:25:22 C 10 29 15.02 -07 23 00.5 V H21
2025-03-10 03:28:13 C 10 29 15.33 -07 22 56.1 V H21
2025-03-10 03:31:03 C 10 29 15.63 -07 22 51.6 V H21
2025-03-10 03:33:49 C 10 29 15.91 -07 22 47.5 V H21
2025-03-22 13:50:59 C 10 54 27.948 -01 51 33.42 W O18
2025-03-22 15:47:58 C 10 54 34.625 -01 50 03.75 W O18
2025-03-27 07:52:45 C 11 01 11.856 -00 34 28.67 V G96
2025-03-27 08:00:51 C 11 01 12.238 -00 34 24.38 V G96
2025-03-27 08:08:57 C 11 01 12.623 -00 34 18.91 V G96
2025-03-29 09:01:46 C 11 03 52.705 -00 07 14.40 X F52
2025-03-29 09:17:23 C 11 03 53.426 -00 07 06.25 X F52
2025-03-29 09:32:58 C 11 03 54.146 -00 06 58.18 X F52