2021 TP9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3453030000
Semi-major axis (a)1.4313164000 AU
Inclination (i)9.37192000°
Long. of Asc. Node (Ω)8.80131000°
Arg. of Perihelion (ω)315.93506000°
Mean Anomaly (M)169.99033000°
Mean Motion (n)0.5755732400°/day
Perihelion dist (q)0.93707860 AU
Aphelion dist (Q)1.92555420 AU
Orbital Period1.71239310 yr
Physical Parameters
H (abs. magnitude)25.17
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.630″
Uncertainty8
Orbit TypeApollo
MOID0.004579 AU
Observations Used57
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-17
Observations (59)
Date Type RA Dec Mag Band Observatory
2021-10-13 02:09:31 C 23 07 53.01 +26 17 30.2 u H21
2021-10-13 02:14:53 C 23 07 54.66 +26 17 51.9 u H21
2021-10-13 03:27:26 C 23 08 20.32 +26 22 52.4 V G96
2021-10-13 03:34:59 C 23 08 22.60 +26 23 22.6 V G96
2021-10-13 03:42:32 C 23 08 24.89 +26 23 53.2 V G96
2021-10-13 03:50:05 C 23 08 27.15 +26 24 22.8 V G96
2021-10-17 04:17:56 C 23 34 15.89 +30 50 43.4 V G96
2021-10-17 04:26:53 C 23 34 17.46 +30 51 02.1 V G96
2021-10-17 04:44:47 C 23 34 20.78 +30 51 36.0 V G96