2021 TW2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2140392715 ± 4.21e-06
Semi-major axis (a)1.2634357529 AU ± 6.73e-06
Inclination (i)4.12608635° ± 6.75e-05
Long. of Asc. Node (Ω)18.09796527° ± 3.10e-05
Arg. of Perihelion (ω)13.59987038° ± 9.84e-05
Mean Anomaly (M)314.49319706° ± 8.20e-03
Mean Motion (n)0.6940368539°/day ± 5.55e-06
Perihelion dist (q)0.99301088 AU ± 7.50e-06
Aphelion dist (Q)1.53386062 AU ± 9.75e-06
Orbital Period1.42013537 yr ± 1.13e-05
Physical Parameters
H (abs. magnitude)25.74
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.157″
Uncertainty1
Orbit TypeApollo
MOID0.001794 AU
Observations Used54
Oppositions1
Arc Total2021-2022
First Observation Used2021-09-23
Last Observation Used2022-01-09
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-11-07 12:58:49 C 09 27 02.244 +43 27 00.00 V F65
2021-12-29 01:22:01 C 08 44 07.625 +48 50 51.02 V Z84
2022-01-07 09:21:43 C 08 15 15.992 +47 32 48.86 V G37
2022-01-07 09:23:10 C 08 15 15.787 +47 32 48.13 V G37
2022-01-09 13:27:41 C 08 08 58.198 +47 04 09.65 V T12
2022-01-09 13:40:03 C 08 08 56.555 +47 04 01.41 V T12