185851 (2000 DP107)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.3766975117 ± 2.00e+00
Semi-major axis (a)	1.3650503559 AU ± 3.00e+00
Inclination (i)	8.67169764° ± 4.00e+00
Long. of Asc. Node (Ω)	358.61737847° ± 5.00e+00
Arg. of Perihelion (ω)	289.83071595° ± 6.00e+00
Mean Anomaly (M)	309.34062093° ± 7.78e-06
Mean Motion (n)	0.6180011274°/day ± 2.04e+00
Perihelion dist (q)	0.85083928 AU ± 3.31e+00
Aphelion dist (Q)	1.87926143 AU ± 4.95e+00
Orbital Period	1.59486163 yr ± 5.26e+00
NGA Model	r2
A2	1.27099582e-06 AU/d²

Physical Parameters

H (abs. magnitude)	18.31
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-04-27
RMS Residual	1.166″
Uncertainty	0
Orbit Type	Apollo
MOID	0.013830 AU
Observations Used	2051
Radar Obs Used	13
Oppositions	3
Arc Total	2000-2008
First Observation Used	2000-02-29
Last Observation Used	2025-01-24

Observations (2210)

Date	Type	RA	Dec	Mag	Band	Observatory
2016-03-04 01:13:45	C	11 12 25.21	+12 19 40.3	–	q	160
2016-03-05 05:46:13	C	11 09 33.99	+12 25 03.2	–	L	T05
2016-03-05 12:10:12	C	11 08 53.07	+12 26 14.7	–	L	T05
2016-03-05 12:42:28	C	11 08 49.55	+12 26 20.0	–	L	T05
2016-03-05 13:14:13	C	11 08 46.15	+12 26 25.8	–	L	T05
2016-03-05 13:46:31	C	11 08 42.71	+12 26 31.0	–	L	T05
2016-03-07 04:15:49	C	11 04 42.41	+12 33 08.4	–	q	703
2016-03-07 04:23:02	C	11 04 41.63	+12 33 10.4	–	q	703
2016-03-07 04:30:15	C	11 04 40.83	+12 33 11.9	–	q	703
2016-03-07 04:37:28	C	11 04 40.07	+12 33 12.6	–	q	703
2016-03-10 07:33:45	C	10 56 28.777	+12 44 42.54	–	L	F51
2016-03-10 08:17:35	C	10 56 23.678	+12 44 48.91	–	L	F51
2016-03-11 03:49:57	C	10 54 12.17	+12 47 18.4	–	q	703
2016-03-11 03:56:33	C	10 54 11.38	+12 47 19.0	–	q	703
2016-03-11 04:03:11	C	10 54 10.62	+12 47 20.1	–	q	703
2016-03-11 04:09:49	C	10 54 09.83	+12 47 21.0	–	q	703
2016-03-11 23:15:31	C	10 51 59.54	+12 49 40.6	–	o	Z22
2016-03-11 23:30:28	C	10 51 57.72	+12 49 43.2	–	o	Z22
2016-03-11 23:41:28	C	10 51 56.39	+12 49 44.2	–	o	Z22
2016-03-14 15:34:27	C	10 44 34.83	+12 55 58.6	–	q	D29
2016-03-14 15:59:54	C	10 44 31.76	+12 56 00.5	–	q	D29
2016-03-14 16:25:21	C	10 44 28.64	+12 56 02.1	–	q	D29
2016-03-14 22:40:46	C	10 43 44.79	+12 56 23.8	–	q	168
2016-03-14 22:43:16	C	10 43 44.51	+12 56 23.4	–	q	168
2016-03-15 00:04:08	C	10 43 35.01	+12 56 29.4	–	q	168
2016-03-15 08:10:22	C	10 42 38.34	+12 57 09.4	–	q	H45
2016-03-15 08:12:58	C	10 42 38.06	+12 57 10.2	–	q	H45
2016-03-15 08:14:48	C	10 42 37.80	+12 57 10.4	–	q	H45
2016-03-15 08:17:00	C	10 42 37.54	+12 57 10.7	–	q	H45
2016-03-15 08:19:59	C	10 42 37.21	+12 57 10.9	–	q	H45
2016-03-15 08:23:31	C	10 42 36.75	+12 57 11.3	–	q	H45
2016-03-15 08:26:44	C	10 42 36.36	+12 57 11.9	–	q	H45
2016-03-15 20:30:51	C	10 41 12.57	+12 57 51.6	–	q	168
2016-03-15 22:11:16	C	10 41 00.65	+12 57 57.7	–	q	168
2016-03-15 22:16:07	C	10 41 00.04	+12 57 58.0	–	q	168
2016-03-18 22:52:43	C	10 32 31.98	+13 00 33.1	–	q	160
2016-03-18 22:55:41	C	10 32 31.62	+13 00 33.1	–	q	160
2016-03-18 22:58:39	C	10 32 31.24	+13 00 33.2	–	q	160
2016-03-19 21:40:09	C	10 29 53.28	+13 00 34.4	–	q	160
2016-03-19 21:43:10	C	10 29 52.96	+13 00 34.7	–	q	160
2016-03-19 21:46:10	C	10 29 52.60	+13 00 34.9	–	q	160
2016-03-26 04:07:51	C	10 12 54.03	+12 51 06.9	–	q	H15
2016-03-26 04:21:50	C	10 12 52.41	+12 51 05.2	–	q	H15
2016-03-26 04:35:41	C	10 12 50.88	+12 51 03.8	–	q	H15
2016-03-26 22:28:10	C	10 10 54.68	+12 48 43.9	–	q	160
2016-03-26 22:31:09	C	10 10 54.32	+12 48 43.1	–	q	160
2016-03-26 22:34:07	C	10 10 53.98	+12 48 42.4	–	q	160
2016-03-28 06:30:04	C	10 07 31.917	+12 44 10.79	–	L	F51
2016-03-28 06:48:49	C	10 07 29.858	+12 44 07.95	–	L	F51
2016-03-28 07:07:42	C	10 07 27.783	+12 44 05.09	–	L	F51

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Radar Observations (36)

Epoch (UTC)	Value	Sigma	Units	Freq (MHz)	Receiver	Transmitter
2000-09-22 05:00:00	-264590	7	Hz	8560	-14	-14
2000-09-22 05:20:00	51280858.8	10	us	8560	-14	-14
2000-09-22.208333	-26459000	700	Hz	8560	253	253
2000-09-22.222222	5128085880	10000	us	8560	253	253
2000-09-23 03:00:00	53988204	4.5	us	8560	-14	-14
2000-09-23.125000	5398820400	4500	us	8560	253	253
2000-09-30 01:58:00	89390125.461	5	us	2380	-1	-1
2000-09-30.081944	8939012546	5000	us	2380	251	251
2000-10-01 01:43:00	95621042.662	5	us	2380	-1	-1
2000-10-01.071528	9562104266	5000	us	2380	251	251
2000-10-02 01:40:00	102075969.47	5	us	2380	-1	-1
2000-10-02.069444	10207596947	5000	us	2380	251	251
2000-10-03 02:04:00	108806805.01	5	us	2380	-1	-1
2000-10-03.086111	10880680501	5000	us	2380	251	251
2000-10-04 01:37:00	115435121.1	5	us	2380	-1	-1
2000-10-04.067361	11543512110	5000	us	2380	251	251
2000-10-06 02:06:00	129436574.2	5	us	2380	-1	-1
2000-10-06.087500	12943657420	5000	us	2380	251	251
2000-10-07 02:36:00	136675608.74	5	us	2380	-1	-1
2000-10-07.108333	13667560874	5000	us	2380	251	251
2008-09-09 10:40:00	99540.92	4	Hz	8560	-14	-14
2008-09-09 11:10:00	58346499.24	20	us	8560	-14	-14
2008-09-09 11:50:00	58319853.59	3	us	8560	-14	-14
2008-09-09.444444	9954092	400	Hz	8560	253	253
2008-09-09.465278	5834649924	20000	us	8560	253	253
2008-09-09.493056	5831985359	1000	us	8560	253	253
2008-09-10 10:28:00	57796651.71	0.2	us	2380	-1	-1
2008-09-11 09:59:00	57762118.05	0.2	us	2380	-1	-1
2008-09-13 08:58:00	59182899.97	0.2	us	2380	-1	-1
2008-09-15 08:42:00	62519349.43	0.2	us	2380	-1	-1
2008-09-18 08:10:00	70482044.62	1	us	2380	-1	-1
2008-09-21 06:23:00	80918388.62	1	us	2380	-1	-1
2008-09-21 06:29:00	80934474.96	1	us	2380	-1	-1
2008-09-21 07:04:00	81028895.83	1	us	2380	-1	-1
2008-09-21 08:23:00	81245719.42	1	us	2380	-1	-1
2016-08-23 12:52:00	177285703.3	2	us	2380	-1	-1

Station codes

-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)