2021 TD16

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6675179851 ± 1.52e-03
Semi-major axis (a)1.9120315723 AU ± 7.56e-03
Inclination (i)7.97913881° ± 2.10e-02
Long. of Asc. Node (Ω)192.39948957° ± 1.64e-02
Arg. of Perihelion (ω)288.66707477° ± 2.53e-02
Mean Anomaly (M)176.28896950° ± 3.17e+00
Mean Motion (n)0.3727946638°/day ± 2.21e-03
Perihelion dist (q)0.63571611 AU ± 3.84e-03
Aphelion dist (Q)3.18834703 AU ± 1.29e-02
Orbital Period2.64388517 yr ± 1.57e-02
Physical Parameters
H (abs. magnitude)22.78
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.277″
Uncertainty4
Orbit TypeApollo
MOID0.032455 AU
Observations Used29
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-13
Last Observation Used2021-10-24
Observations (29)
Date Type RA Dec Mag Band Observatory
2021-10-13 10:59:04 C 03 06 01.358 +06 37 43.94 U F52
2021-10-13 11:34:05 C 03 06 07.737 +06 36 18.63 U F52
2021-10-13 11:51:40 C 03 06 10.944 +06 35 35.51 U F52
2021-10-13 13:52:38 C 03 06 33.174 +06 30 36.78 V F51
2021-10-13 13:53:33 C 03 06 33.346 +06 30 34.37 V F51
2021-10-13 23:30:23 C 03 08 32.33 +06 05 48.1 V L01
2021-10-13 23:32:37 C 03 08 32.82 +06 05 42.2 V L01
2021-10-13 23:36:00 C 03 08 33.42 +06 05 33.0 V L01
2021-10-13 23:38:15 C 03 08 33.90 +06 05 27.9 V L01
2021-10-13 23:41:40 C 03 08 34.51 +06 05 18.8 V L01
2021-10-14 00:50:38 C 03 08 48.71 +06 02 17.9 V I93
2021-10-14 00:56:38 C 03 08 49.96 +06 02 02.1 V I93
2021-10-14 01:03:12 C 03 08 51.28 +06 01 44.8 V I93
2021-10-14 04:42:31 C 03 09 38.30 +05 53 03.7 u 807
2021-10-14 04:46:31 C 03 09 39.11 +05 52 53.4 u 807
2021-10-14 04:50:35 C 03 09 39.91 +05 52 42.1 u 807
2021-10-14 09:38:51 C 03 10 40.03 +05 38 39.8 X 858
2021-10-14 09:59:17 C 03 10 44.25 +05 37 43.4 X 858
2021-10-14 10:19:40 C 03 10 48.49 +05 36 47.2 X 858
2021-10-15 03:42:31 C 03 14 45.82 +04 45 55.9 V 204
2021-10-15 03:56:20 C 03 14 48.99 +04 45 13.7 V 204
2021-10-15 04:10:09 C 03 14 52.20 +04 44 30.7 V 204
2021-10-15 21:38:58 C 03 19 18.73 +03 47 58.1 V 104
2021-10-15 21:46:54 C 03 19 20.71 +03 47 30.8 V 104
2021-10-15 23:49:51 C 03 19 51.71 +03 40 27.7 X 595
2021-10-16 00:15:26 C 03 19 58.24 +03 38 59.3 X 595
2021-10-24 04:30:45 C 05 08 53.68 -19 18 23.5 u 807
2021-10-24 04:36:24 C 05 08 59.76 -19 19 32.3 u 807
2021-10-24 04:42:13 C 05 09 05.99 -19 20 43.0 u 807