2021 TD

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5824905000
Semi-major axis (a)2.2729991000 AU
Inclination (i)7.59344000°
Long. of Asc. Node (Ω)10.84732000°
Arg. of Perihelion (ω)321.39705000°
Mean Anomaly (M)83.11478000°
Mean Motion (n)0.2876108000°/day
Perihelion dist (q)0.94899870 AU
Aphelion dist (Q)3.59699950 AU
Orbital Period3.42688000 yr
Physical Parameters
H (abs. magnitude)26.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.310″
Uncertainty5
Orbit TypeApollo
MOID0.013883 AU
Observations Used15
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-03
Observations (15)
Date Type RA Dec Mag Band Observatory
2021-10-01 09:22:53 C 01 38 18.87 -09 44 19.9 V 703
2021-10-01 09:45:57 C 01 38 21.81 -09 30 21.1 V 703
2021-10-02 09:42:14 C 01 43 04.322 +02 03 57.05 U F52
2021-10-02 09:58:45 C 01 43 05.154 +02 10 13.86 U F52
2021-10-02 10:15:17 C 01 43 05.940 +02 16 29.63 U F52
2021-10-02 13:39:28 C 01 43 15.087 +03 31 12.33 V F51
2021-10-02 13:40:23 C 01 43 15.138 +03 31 32.30 V F51
2021-10-02 20:48:46 C 01 44 30.66 +05 51 49.7 V G02
2021-10-02 21:04:20 C 01 44 31.74 +05 56 41.8 V G02
2021-10-02 21:22:47 C 01 44 35.49 +06 02 47.3 V 104
2021-10-02 21:28:36 C 01 44 35.85 +06 04 35.1 V 104
2021-10-02 21:34:25 C 01 44 36.19 +06 06 24.4 V 104
2021-10-03 08:26:38 C 01 45 36.42 +09 10 52.9 V 654
2021-10-03 08:59:23 C 01 45 37.20 +09 19 15.1 V 654
2021-10-03 09:27:54 C 01 45 37.88 +09 26 28.1 V 654