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
2021-11-09 14:56:19 C 02 41 27.365 +03 15 30.06 V P07
2021-11-09 15:50:06 C 02 41 28.644 +03 13 46.78 V P07
2021-11-09 16:51:24 C 02 41 30.077 +03 11 49.27 V P07
2021-11-09 17:46:07 C 02 41 31.474 +03 10 04.51 V P07
2021-11-10 06:40:35 C 02 42 03.73 +02 44 00.1 V G96
2021-11-10 06:48:02 C 02 42 03.92 +02 43 44.9 V G96
2021-11-10 06:55:31 C 02 42 04.13 +02 43 30.0 V G96
2021-11-10 07:03:01 C 02 42 04.33 +02 43 14.8 V G96
2021-11-10 11:50:34 C 02 42 14.502 +02 33 48.84 U F52
2021-11-10 12:04:14 C 02 42 14.885 +02 33 21.34 U F51
2021-11-10 12:07:01 C 02 42 14.971 +02 33 15.56 U F52
2021-11-10 12:20:23 C 02 42 15.356 +02 32 48.45 U F51
2021-11-10 12:23:35 C 02 42 15.454 +02 32 42.09 U F52
2021-11-10 12:36:12 C 02 42 15.823 +02 32 16.45 U F51
2021-11-10 12:39:59 C 02 42 15.940 +02 32 08.81 U F52
2021-11-11 05:44:53 C 02 43 02.59 +01 56 44.7 V 703
2021-11-11 05:52:40 C 02 43 02.88 +01 56 28.1 V 703
2021-11-11 06:00:26 C 02 43 03.05 +01 56 11.9 V 703
2021-11-11 06:08:12 C 02 43 03.37 +01 55 55.2 V 703
2021-11-12 06:52:23 C 02 44 11.26 +01 02 01.6 U I41
2021-11-12 07:10:19 C 02 44 11.88 +01 01 20.9 U I41
2021-11-12 08:05:38 C 02 44 13.77 +00 59 16.6 U I41
2021-11-12 08:07:01 C 02 44 13.81 +00 59 13.5 U I41
2021-11-12 08:11:45 C 02 44 13.98 +00 59 02.7 U I41
2021-11-12 08:13:07 C 02 44 14.02 +00 58 59.6 U I41
2021-11-12 17:14:10 C 02 44 40.03 +00 38 24.9 V D29
2021-11-12 17:34:32 C 02 44 40.79 +00 37 37.9 V D29
2021-11-20 08:39:44 C 02 58 13.801 -08 33 52.57 U F51
2021-11-20 09:12:22 C 02 58 16.524 -08 36 00.13 U F51
2021-11-20 09:28:42 C 02 58 17.882 -08 37 03.71 U F51
2021-11-21 09:44:44 C 03 01 00.318 -10 15 34.80 U F51
2021-11-21 10:00:46 C 03 01 01.840 -10 16 42.57 U F51
2021-11-21 10:32:45 C 03 01 04.885 -10 18 57.02 U F51
2021-11-24 09:19:32 C 03 11 01.896 -15 54 47.34 U F52
2021-11-24 09:52:52 C 03 11 06.498 -15 57 44.36 U F52
2021-11-24 10:09:28 C 03 11 08.801 -15 59 12.36 U F52
2021-11-25 09:15:56 C 03 15 14.000 -18 06 57.30 U F51
2021-11-25 09:16:52 C 03 15 14.154 -18 07 03.03 U F51
2021-11-25 09:19:40 C 03 15 14.43 -18 07 18.0 V T08
2021-11-25 09:35:30 C 03 15 17.080 -18 08 49.74 U F51
2021-11-25 09:53:14 C 03 15 19.886 -18 10 31.76 U F51
2021-11-25 09:54:10 C 03 15 20.025 -18 10 36.89 U F51
2021-11-25 10:08:12 C 03 15 22.15 -18 11 56.0 V T08
2021-11-25 10:10:59 C 03 15 22.684 -18 12 13.16 U F51
2021-11-25 10:11:55 C 03 15 22.836 -18 12 18.72 U F51
2021-11-25 10:13:30 C 03 15 22.98 -18 12 25.3 V T08
2021-11-25 10:24:07 C 03 15 24.70 -18 13 26.0 V T08
2021-11-29 06:26:42 C 03 37 44.37 -28 28 40.5 V 703
2021-11-29 06:34:14 C 03 37 46.48 -28 29 38.5 V 703
2021-11-29 06:41:46 C 03 37 48.66 -28 30 34.5 V 703