2021 DY1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.6261790000 ± 2.00e+00
Semi-major axis (a)	2.4723458000 AU ± 3.00e+00
Inclination (i)	4.23719000° ± 4.00e+00
Long. of Asc. Node (Ω)	143.13538000° ± 5.00e+00
Arg. of Perihelion (ω)	321.11864000° ± 6.00e+00
Mean Anomaly (M)	89.26692000°
Mean Motion (n)	0.2535363610°/day ± 4.61e-01
Perihelion dist (q)	0.92421480 AU ± 5.07e+00
Aphelion dist (Q)	4.02047680 AU ± 6.95e+00
Orbital Period	3.88744110 yr ± 7.08e+00

Physical Parameters

H (abs. magnitude)	26.57
G (slope)	0.15

Orbit Solution

Source	MPC
Solution Date	—
RMS Residual	—″
Uncertainty	—
Orbit Type	Apollo
MOID	0.006806 AU
Observations Used	17
Oppositions	1
Arc Total	—
First Observation Used	—
Last Observation Used	2021-02-23

Observations (17)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-02-19 07:40:15	C	10 24 40.21	+19 50 04.2	–	V	G96
2021-02-19 07:48:22	C	10 24 43.38	+19 49 55.3	–	V	G96
2021-02-19 07:56:31	C	10 24 46.49	+19 49 47.2	–	V	G96
2021-02-19 08:04:39	C	10 24 49.67	+19 49 37.9	–	V	G96
2021-02-19 10:04:59	C	10 25 36.02	+19 47 22.4	–	V	V06
2021-02-19 10:12:40	C	10 25 38.96	+19 47 13.1	–	V	V06
2021-02-20 05:46:51	C	10 33 17.54	+19 27 15.2	–	V	I52
2021-02-20 05:54:06	C	10 33 19.98	+19 27 08.4	–	V	I52
2021-02-20 06:01:20	C	10 33 22.29	+19 27 02.0	–	V	I52
2021-02-21 05:05:38	C	10 40 49.77	+19 05 30.0	–	V	I52
2021-02-21 05:14:07	C	10 40 52.02	+19 05 23.0	–	V	I52
2021-02-21 05:22:34	C	10 40 54.35	+19 05 17.1	–	V	I52
2021-02-22 07:08:02	C	10 47 45.67	+18 43 53.3	–	V	I52
2021-02-22 07:16:30	C	10 47 47.48	+18 43 47.6	–	V	I52
2021-02-22 07:24:58	C	10 47 49.31	+18 43 41.1	–	V	I52
2021-02-23 05:54:35	C	10 52 56.09	+18 26 44.9	–	o	291
2021-02-23 06:32:21	C	10 53 03.10	+18 26 19.6	–	o	291