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
2021-11-29 06:49:18 C 03 37 50.69 -28 31 32.8 V 703
2021-12-03 10:26:33 C 04 21 11.59 -42 45 48.2 V T08
2021-12-03 10:33:15 C 04 21 15.37 -42 46 49.4 V T08
2021-12-03 10:40:46 C 04 21 19.32 -42 47 59.1 V T08
2021-12-03 11:29:54 C 04 21 46.59 -42 55 29.4 V T08
2021-12-04 04:23:12 C 04 32 37.17 -45 31 17.6 q X74
2021-12-04 04:30:06 C 04 32 41.53 -45 32 20.8 q X74
2021-12-04 04:37:03 C 04 32 45.94 -45 33 24.8 q X74
2021-12-05 05:17:48 C 04 51 13.06 -49 21 41.4 q X74
2021-12-05 05:24:50 C 04 51 18.39 -49 22 43.8 q X74
2021-12-05 05:31:59 C 04 51 23.91 -49 23 47.8 q X74
2021-12-10 05:47:32 C 07 22 56.79 -63 17 14.7 u 807
2021-12-10 05:53:07 C 07 23 05.63 -63 17 33.5 u 807
2021-12-10 05:58:38 C 07 23 14.46 -63 17 52.1 u 807
2022-01-26 07:26:36 C 13 57 53.16 -29 26 03.7 V 807
2022-01-26 07:37:15 C 13 57 53.56 -29 25 57.1 V 807
2022-01-26 07:47:53 C 13 57 53.97 -29 25 50.3 V 807
2022-03-13 07:20:44 C 13 44 43.19 -16 35 12.9 V 807
2022-03-13 07:36:43 C 13 44 42.08 -16 34 58.9 V 807
2022-03-13 07:52:43 C 13 44 40.95 -16 34 44.9 V 807
2022-04-07 10:34:12 C 13 06 22.254 -08 17 35.56 U F52
2022-04-07 10:50:54 C 13 06 21.285 -08 17 24.18 U F52
2022-04-07 11:07:29 C 13 06 20.348 -08 17 12.69 U F52
2022-04-07 11:24:05 C 13 06 19.384 -08 17 01.49 U F52
2024-09-24 09:04:44 C 00 49 28.205 +08 40 50.35 V F52
2024-09-24 09:20:56 C 00 49 27.544 +08 40 44.46 V F52
2024-09-24 09:37:16 C 00 49 26.889 +08 40 38.56 V F52
2024-09-28 08:20:32 C 00 45 30.394 +08 00 41.98 V F51
2024-09-28 08:38:35 C 00 45 29.521 +08 00 33.82 V F51
2024-09-28 08:55:50 C 00 45 28.666 +08 00 25.76 V F51
2024-09-28 09:15:43 C 00 45 27.707 +08 00 16.75 V F51
2024-10-03 04:49:10 C 00 39 46.526 +07 01 24.17 V V06
2024-10-03 04:54:53 C 00 39 46.206 +07 01 20.89 V V06
2024-10-03 05:00:36 C 00 39 45.896 +07 01 17.69 V V06
2024-10-03 05:06:19 C 00 39 45.551 +07 01 14.74 V V06
2025-02-11 20:13:00 C 06 14 49.733 -38 37 49.98 V M22
2025-02-11 20:17:36 C 06 14 53.882 -38 37 42.35 V M22
2025-02-11 20:25:05 C 06 15 00.470 -38 37 27.05 V M22
2025-02-11 20:39:46 C 06 15 13.586 -38 37 00.80 V M22
2025-02-16 21:37:20 C 07 54 54.050 -32 18 16.45 V M22
2025-02-16 21:42:36 C 07 54 57.583 -32 17 55.36 V M22
2025-02-16 21:50:34 C 07 55 02.784 -32 17 23.35 V M22
2025-02-16 22:05:54 C 07 55 12.828 -32 16 19.92 V M22
2025-02-21 22:38:03 C 09 01 21.607 -24 05 44.56 V M22
2025-02-21 22:43:16 C 09 01 23.710 -24 05 24.43 V M22
2025-02-21 22:51:08 C 09 01 26.863 -24 04 53.47 V M22
2025-02-21 23:06:11 C 09 01 32.916 -24 03 54.83 V M22
2025-02-23 04:04:41 C 09 13 12.058 -22 14 38.76 V W68
2025-02-23 04:09:19 C 09 13 13.718 -22 14 21.70 V W68
2025-02-23 04:18:36 C 09 13 16.990 -22 13 47.39 V W68