2021 TW1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4588191000
Semi-major axis (a)1.8734306000 AU
Inclination (i)11.16234000°
Long. of Asc. Node (Ω)2.40436000°
Arg. of Perihelion (ω)346.24214000°
Mean Anomaly (M)228.93359000°
Mean Motion (n)0.3843683700°/day
Perihelion dist (q)1.01386490 AU
Aphelion dist (Q)2.73299630 AU
Orbital Period2.56422670 yr
Physical Parameters
H (abs. magnitude)24.07
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.530″
Uncertainty9
Orbit TypeAmor
MOID0.016927 AU
Observations Used13
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-05
Observations (13)
Date Type RA Dec Mag Band Observatory
2021-09-15 14:02:01 C 04 51 55.917 -11 05 17.58 V F52
2021-09-15 14:18:42 C 04 51 54.161 -11 01 09.05 U F52
2021-09-15 14:35:22 C 04 51 52.382 -10 57 00.47 U F52
2021-10-02 09:08:07 C 04 29 46.32 +45 46 18.0 V G96
2021-10-02 09:15:57 C 04 29 45.59 +45 46 45.3 V G96
2021-10-02 09:23:45 C 04 29 44.86 +45 47 13.0 V G96
2021-10-02 11:05:56 C 04 29 35.27 +45 53 03.9 V G96
2021-10-02 11:16:13 C 04 29 34.31 +45 53 37.9 V G96
2021-10-02 11:21:56 C 04 29 33.80 +45 53 57.3 V G96
2021-10-03 10:28:29 C 04 28 06.330 +47 08 25.92 V 679
2021-10-05 08:01:58 C 04 25 01.74 +49 17 30.7 u H21
2021-10-05 08:10:33 C 04 25 00.91 +49 17 53.9 u H21
2021-10-05 08:14:02 C 04 25 00.56 +49 18 03.2 u H21