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
2021-10-13 12:17:05 C 02 27 11.150 +13 53 47.32 U F52
2021-10-13 12:52:05 C 02 27 11.647 +13 53 32.59 U F52
2021-10-13 13:09:35 C 02 27 11.883 +13 53 25.34 U F52
2021-10-13 15:09:37 C 02 27 13.723 +13 52 34.23 V F51
2021-10-13 15:10:32 C 02 27 13.732 +13 52 33.65 V F51
2021-10-14 05:22:54 C 02 27 33.30 +13 46 33.5 o 691
2021-10-14 05:54:18 C 02 27 33.78 +13 46 20.8 o 691
2021-10-14 06:10:00 C 02 27 34.03 +13 46 14.4 o 691
2021-10-16 06:12:50 C 02 28 29.74 +13 24 46.9 V 807
2021-10-16 06:20:48 C 02 28 29.84 +13 24 42.8 V 807
2021-10-16 06:28:47 C 02 28 29.95 +13 24 38.8 V 807
2021-10-17 06:28:03 C 02 28 57.90 +13 12 11.0 u H21
2021-10-17 06:46:59 C 02 28 58.12 +13 12 01.3 u H21
2021-10-27 05:24:27 C 02 33 20.79 +10 26 03.3 V V06
2021-10-27 05:29:02 C 02 33 20.84 +10 25 59.2 V V06
2021-10-27 05:33:37 C 02 33 20.89 +10 25 55.3 V V06
2021-10-28 07:10:30 C 02 33 48.97 +10 02 00.4 V G96
2021-10-28 07:17:54 C 02 33 49.10 +10 01 53.8 V G96
2021-10-28 07:25:17 C 02 33 49.14 +10 01 46.8 V G96
2021-10-28 07:32:42 C 02 33 49.23 +10 01 39.3 V G96
2021-10-28 08:50:01 C 02 33 50.01 +10 00 25.0 V I52
2021-10-28 08:55:09 C 02 33 50.06 +10 00 19.3 V I52
2021-10-28 08:59:18 C 02 33 50.12 +10 00 15.0 V I52
2021-10-31 07:53:36 C 02 35 17.029 +08 46 05.08 U F51
2021-10-31 08:09:23 C 02 35 17.214 +08 45 47.39 U F51
2021-10-31 08:25:11 C 02 35 17.406 +08 45 29.65 U F51
2021-11-02 13:26:53 C 02 36 28.001 +07 41 57.05 V P07
2021-11-02 15:52:48 C 02 36 29.890 +07 38 50.60 V P07
2021-11-02 16:50:04 C 02 36 30.598 +07 37 37.42 V P07
2021-11-02 17:48:43 C 02 36 31.378 +07 36 21.89 V P07
2021-11-04 07:40:44 C 02 37 27.78 +06 44 28.3 o 691
2021-11-04 07:51:08 C 02 37 27.91 +06 44 13.1 o 691
2021-11-04 07:59:48 C 02 37 28.03 +06 44 01.1 o 691
2021-11-05 05:46:39 C 02 38 04.34 +06 12 23.4 U I41
2021-11-05 06:09:19 C 02 38 04.74 +06 11 49.8 U I41
2021-11-05 06:28:01 C 02 38 05.05 +06 11 22.1 U I41
2021-11-05 07:37:38 C 02 38 06.17 +06 09 38.3 U I41
2021-11-05 07:39:00 C 02 38 06.19 +06 09 36.3 U I41
2021-11-06 13:44:13 C 02 38 59.738 +05 23 44.74 V P07
2021-11-06 14:57:08 C 02 39 01.073 +05 21 47.66 V P07
2021-11-06 15:55:14 C 02 39 02.095 +05 20 14.60 V P07
2021-11-06 16:55:39 C 02 39 03.151 +05 18 37.33 V P07
2021-11-06 17:52:03 C 02 39 04.166 +05 17 05.42 V P07
2021-11-07 10:04:43 C 02 39 35.782 +04 49 45.04 U F51
2021-11-07 10:21:50 C 02 39 36.100 +04 49 16.22 U F51
2021-11-07 10:38:52 C 02 39 36.415 +04 48 47.50 U F51
2021-11-07 10:55:50 C 02 39 36.733 +04 48 18.83 U F51
2021-11-08 15:53:18 C 02 40 35.65 +03 57 34.5 V D29
2021-11-08 16:13:40 C 02 40 36.12 +03 56 57.4 V D29
2021-11-09 13:47:08 C 02 41 25.718 +03 17 41.75 V P07