2021 TR8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.2778363395 ± 1.09e-04
Semi-major axis (a)	1.7757195932 AU ± 3.90e-04
Inclination (i)	15.28411890° ± 4.45e-03
Long. of Asc. Node (Ω)	192.37491099° ± 1.19e-03
Arg. of Perihelion (ω)	196.61205850° ± 6.05e-03
Mean Anomaly (M)	256.52875947° ± 2.01e-01
Mean Motion (n)	0.4165342294°/day ± 1.37e-04
Perihelion dist (q)	1.28236016 AU ± 3.41e-04
Aphelion dist (Q)	2.26907902 AU ± 5.34e-04
Orbital Period	2.36625519 yr ± 7.80e-04

Physical Parameters

H (abs. magnitude)	22.92
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.190″
Uncertainty	3
Orbit Type	Amor
MOID	0.288853 AU
Observations Used	16
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-10-07
Last Observation Used	2021-10-25

Observations (16)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-10-07 07:43:47	C	23 39 09.785	+01 08 06.68	–	U	F51
2021-10-07 08:00:59	C	23 39 10.276	+01 07 31.14	–	U	F51
2021-10-07 08:18:19	C	23 39 10.762	+01 06 56.85	–	U	F51
2021-10-09 09:52:25	C	23 41 02.274	-00 32 48.82	–	V	568
2021-10-09 09:53:50	C	23 41 02.319	-00 32 51.65	–	V	568
2021-10-09 09:55:14	C	23 41 02.363	-00 32 54.53	–	V	568
2021-10-09 09:56:39	C	23 41 02.410	-00 32 57.26	–	V	568
2021-10-10 01:38:40	C	23 41 41.03	-01 03 48.7	–	V	807
2021-10-10 01:43:59	C	23 41 41.20	-01 03 59.4	–	V	807
2021-10-10 01:49:34	C	23 41 41.39	-01 04 10.6	–	V	807
2021-10-10 07:01:16	C	23 41 52.96	-01 14 56.4	–	o	291
2021-10-10 07:08:30	C	23 41 53.22	-01 15 10.9	–	o	291
2021-10-10 07:15:48	C	23 41 53.46	-01 15 25.5	–	o	291
2021-10-25 04:39:20	C	00 00 23.32	-11 29 30.8	–	V	807
2021-10-25 04:47:19	C	00 00 23.78	-11 29 41.8	–	V	807
2021-10-25 04:55:18	C	00 00 24.23	-11 29 52.8	–	V	807