2021 TB3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.2308731896 ± 3.10e-04
Semi-major axis (a)	1.5257034498 AU ± 7.87e-04
Inclination (i)	18.59569103° ± 1.50e-02
Long. of Asc. Node (Ω)	184.12246556° ± 1.03e-03
Arg. of Perihelion (ω)	156.34414898° ± 1.11e-03
Mean Anomaly (M)	88.03005465° ± 6.25e-01
Mean Motion (n)	0.5230064969°/day ± 4.05e-04
Perihelion dist (q)	1.17345943 AU ± 7.68e-04
Aphelion dist (Q)	1.87794747 AU ± 1.08e-03
Orbital Period	1.88453927 yr ± 1.46e-03

Physical Parameters

H (abs. magnitude)	23.97
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.176″
Uncertainty	3
Orbit Type	Amor
MOID	0.181778 AU
Observations Used	15
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-09-25
Last Observation Used	2021-10-14

Observations (15)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-09-25 09:45:19	C	00 41 33.664	+05 21 24.71	–	V	F52
2021-09-25 10:01:51	C	00 41 34.602	+05 20 17.98	–	V	F52
2021-09-29 11:09:38	C	00 47 56.576	-01 06 32.44	–	V	F51
2021-09-29 11:41:51	C	00 47 58.187	-01 08 35.89	–	V	F51
2021-09-29 11:57:59	C	00 47 58.993	-01 09 37.71	–	V	F51
2021-10-03 08:54:31	C	00 53 25.764	-06 50 08.70	–	U	F52
2021-10-03 09:09:18	C	00 53 26.416	-06 50 59.95	–	U	F52
2021-10-03 09:24:03	C	00 53 27.062	-06 51 51.38	–	U	F52
2021-10-03 11:14:27	C	00 53 31.827	-06 58 12.65	–	V	F51
2021-10-03 11:15:22	C	00 53 31.872	-06 58 16.02	–	V	F51
2021-10-04 05:09:28	C	00 54 30.94	-07 59 29.0	–	u	H21
2021-10-04 05:13:31	C	00 54 31.11	-07 59 42.9	–	u	H21
2021-10-04 05:18:49	C	00 54 31.34	-08 00 00.4	–	u	H21
2021-10-14 05:45:07	C	01 05 45.00	-18 59 23.4	–	W	W84
2021-10-14 05:46:26	C	01 05 45.05	-18 59 26.4	–	W	W84