2021 QW5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.4131214801 ± 1.66e-04
Semi-major axis (a)	2.1989829484 AU ± 8.27e-04
Inclination (i)	5.70439866° ± 1.68e-03
Long. of Asc. Node (Ω)	70.57941181° ± 1.59e-02
Arg. of Perihelion (ω)	260.37883794° ± 3.05e-02
Mean Anomaly (M)	109.47504655° ± 2.63e-01
Mean Motion (n)	0.3022591687°/day ± 1.70e-04
Perihelion dist (q)	1.29053586 AU ± 6.07e-04
Aphelion dist (Q)	3.10743004 AU ± 1.22e-03
Orbital Period	3.26086480 yr ± 1.84e-03

Physical Parameters

H (abs. magnitude)	22.67
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.089″
Uncertainty	3
Orbit Type	Amor
MOID	0.298944 AU
Observations Used	16
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-08-29
Last Observation Used	2021-09-07

Observations (16)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-08-29 10:13:39	C	23 36 34.297	-29 49 33.17	–	U	F51
2021-08-29 10:28:53	C	23 36 34.598	-29 49 30.31	–	U	F51
2021-08-29 10:59:18	C	23 36 35.190	-29 49 24.10	–	U	F51
2021-08-30 10:44:04	C	23 37 14.892	-29 44 03.00	–	U	F51
2021-08-30 10:51:15	C	23 37 15.020	-29 44 01.40	–	U	F51
2021-08-30 10:58:30	C	23 37 15.150	-29 43 59.70	–	U	F51
2021-08-30 11:08:25	C	23 37 15.334	-29 43 57.35	–	U	F51
2021-09-04 07:01:12	C	23 39 55.41	-29 09 32.1	–	V	807
2021-09-04 07:06:31	C	23 39 55.48	-29 09 30.2	–	V	807
2021-09-04 07:11:51	C	23 39 55.52	-29 09 28.2	–	V	807
2021-09-04 10:05:13	C	23 40 00.304	-29 08 50.06	–	V	F51
2021-09-04 10:28:05	C	23 40 00.550	-29 08 42.16	–	V	F51
2021-09-04 10:49:55	C	23 40 00.783	-29 08 34.68	–	V	F51
2021-09-07 10:21:36	C	23 41 16.330	-28 40 41.73	–	U	F52
2021-09-07 10:36:16	C	23 41 16.437	-28 40 35.49	–	U	F52
2021-09-07 10:50:56	C	23 41 16.538	-28 40 29.67	–	U	F52