2013 WD44

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.3726883826 ± 2.00e+00
Semi-major axis (a)	1.6430462220 AU ± 3.00e+00
Inclination (i)	3.50714222° ± 4.00e+00
Long. of Asc. Node (Ω)	251.16150003° ± 5.00e+00
Arg. of Perihelion (ω)	212.70617552° ± 6.00e+00
Mean Anomaly (M)	231.28843814° ± 2.16e+00
Mean Motion (n)	0.4679852600°/day ± 1.28e+00
Perihelion dist (q)	1.03070430 AU ± 3.79e+00
Aphelion dist (Q)	2.25537410 AU ± 5.27e+00
Orbital Period	2.10606560 yr ± 5.77e+00

Physical Parameters

H (abs. magnitude)	25.70
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-04-18
RMS Residual	0.307″
Uncertainty	4
Orbit Type	Amor
MOID	0.055707 AU
Observations Used	16
Oppositions	1
Arc Total	2013-2013
First Observation Used	—
Last Observation Used	2013-11-29

Observations (16)

Date	Type	RA	Dec	Mag	Band	Observatory
2013-11-28 05:44:41	C	04 27 34.95	+25 02 33.6	–	q	G96
2013-11-28 05:54:43	C	04 27 36.31	+25 02 24.1	–	q	G96
2013-11-28 06:04:45	C	04 27 37.65	+25 02 14.7	–	q	G96
2013-11-28 08:41:39	C	04 27 58.87	+24 59 33.8	–	q	G96
2013-11-28 08:52:41	C	04 28 00.37	+24 59 22.1	–	q	G96
2013-11-28 09:03:45	C	04 28 01.88	+24 59 10.6	–	q	G96
2013-11-29 03:27:46	C	04 31 04.66	+24 39 28.2	–	u	H21
2013-11-29 03:47:23	C	04 31 09.39	+24 39 10.0	–	q	G96
2013-11-29 03:47:51	C	04 31 07.61	+24 39 07.8	–	u	H21
2013-11-29 03:49:51	C	04 31 09.74	+24 39 07.5	–	q	G96
2013-11-29 03:51:05	C	04 31 09.88	+24 39 06.3	–	q	G96
2013-11-29 04:04:42	C	04 31 10.05	+24 38 50.1	–	u	H21
2013-11-29 06:17:08	C	04 31 31.20	+24 36 36.2	–	q	G96
2013-11-29 06:19:30	C	04 31 31.60	+24 36 34.2	–	q	G96
2013-11-29 06:20:55	C	04 31 31.75	+24 36 33.2	–	q	G96
2013-11-29 06:21:59	C	04 31 31.91	+24 36 31.6	–	q	G96