2015 XA378 — IAA Minor Planet Database

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.6392976000
Semi-major axis (a)	1.8315563000 AU
Inclination (i)	0.22534000°
Long. of Asc. Node (Ω)	77.15269000°
Arg. of Perihelion (ω)	89.60488000°
Mean Anomaly (M)	342.02911000°
Mean Motion (n)	0.3976249900°/day
Perihelion dist (q)	0.66064680 AU
Aphelion dist (Q)	3.00246580 AU
Orbital Period	2.47873680 yr

Physical Parameters

H (abs. magnitude)	25.90
G (slope)	0.15

Orbit Solution

Source	MPC
Solution Date	—
RMS Residual	0.350″
Uncertainty	3
Orbit Type	Apollo
MOID	0.000428 AU
Observations Used	48
Radar Obs Used	1
Oppositions	1
Arc Total	—
First Observation Used	—
Last Observation Used	2015-12-18

Observations (48)

Date	Type	RA	Dec	Mag	Band	Observatory
2015-12-06 10:57:24	C	04 37 35.192	+22 04 05.70	–	t	F51
2015-12-06 11:16:54	C	04 37 31.960	+22 04 00.92	–	t	F51
2015-12-07 11:19:57	C	04 33 43.301	+21 58 01.76	–	t	F51
2015-12-07 11:36:10	C	04 33 40.233	+21 57 56.32	–	t	F51
2015-12-07 11:52:19	C	04 33 37.184	+21 57 51.30	–	t	F51
2015-12-09 11:11:39	C	04 24 04.022	+21 41 21.61	–	t	F51
2015-12-09 11:29:53	C	04 23 59.298	+21 41 12.57	–	t	F51
2015-12-09 11:48:09	C	04 23 54.542	+21 41 03.38	–	t	F51
2015-12-13 05:26:20	C	03 52 08.656	+20 30 19.10	–	V	F51
2015-12-13 05:44:54	C	03 51 58.428	+20 29 56.33	–	V	F51
2015-12-13 06:22:16	C	03 51 37.587	+20 29 09.57	–	V	F51
2015-12-13 10:12:13	C	03 49 24.324	+20 23 48.01	–	L	F51
2015-12-13 10:32:34	C	03 49 12.295	+20 23 16.78	–	L	F51
2015-12-13 10:53:11	C	03 49 00.143	+20 22 44.63	–	L	F51
2015-12-13 11:13:35	C	03 48 48.073	+20 22 12.09	–	L	F51
2015-12-14 04:07:08	C	03 38 30.43	+19 52 58.6	–	o	926
2015-12-14 04:12:43	C	03 38 26.43	+19 52 47.6	–	o	926
2015-12-14 04:18:17	C	03 38 22.49	+19 52 37.4	–	o	926
2015-12-14 11:09:28	C	03 33 21.828	+19 38 38.10	–	t	568
2015-12-15 06:12:31	C	03 17 33.83	+18 47 49.4	–	o	926
2015-12-15 06:22:38	C	03 17 23.88	+18 47 16.9	–	o	926
2015-12-16 03:53:34	C	02 53 57.06	+17 21 53.4	–	u	H21
2015-12-16 03:58:46	C	02 53 50.24	+17 21 27.8	–	u	H21
2015-12-16 04:05:17	C	02 53 41.68	+17 20 55.3	–	u	H21
2015-12-16 04:13:29	C	02 53 30.91	+17 20 14.5	–	u	H21
2015-12-16 05:13:19	C	02 52 15.75	+17 15 44.2	–	o	926
2015-12-16 05:17:31	C	02 52 10.12	+17 15 23.3	–	o	926
2015-12-16 05:21:40	C	02 52 04.56	+17 15 02.5	–	o	926
2015-12-17 03:38:22	C	02 18 15.14	+14 50 24.7	–	o	926
2015-12-17 03:41:46	C	02 18 08.88	+14 49 57.1	–	o	926
2015-12-17 03:45:11	C	02 18 02.59	+14 49 28.7	–	o	926
2015-12-17 03:48:59	C	02 17 55.75	+14 48 55.8	–	o	291
2015-12-17 03:49:48	C	02 17 54.25	+14 48 49.2	–	o	291
2015-12-17 03:50:37	C	02 17 52.72	+14 48 42.3	–	o	291
2015-12-18 01:29:11	C	01 32 32.06	+10 59 48.5	–	u	926
2015-12-18 01:30:00	C	01 32 30.00	+10 59 38.6	–	o	926
2015-12-18 01:32:32	C	01 32 23.60	+10 59 05.0	–	o	926
2015-12-18 01:35:04	C	01 32 17.30	+10 58 31.9	–	o	926
2015-12-18 01:36:09	C	01 32 14.52	+10 58 16.6	–	u	926
2015-12-18 01:37:35	C	01 32 11.02	+10 57 59.0	–	o	926
2015-12-18 01:40:04	C	01 32 04.72	+10 57 26.0	–	o	926
2015-12-18 01:42:34	C	01 31 58.50	+10 56 53.3	–	o	926
2015-12-18 03:16:58	C	01 27 58.58	+10 35 44.2	–	o	926
2015-12-18 03:19:28	C	01 27 52.16	+10 35 09.6	–	o	926
2015-12-18 03:22:00	C	01 27 45.71	+10 34 35.2	–	o	926
2015-12-18 05:38:15	C	01 21 50.97	+10 02 34.5	–	o	926
2015-12-18 05:40:47	C	01 21 44.35	+10 01 58.2	–	o	926
2015-12-18 05:43:16	C	01 21 37.72	+10 01 21.2	–	o	926