137199 — IAA Minor Planet Database

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.2926061927 ± 3.63e-09
Semi-major axis (a)	1.4573678721 AU ± 2.80e-10
Inclination (i)	16.56957845° ± 6.22e-07
Long. of Asc. Node (Ω)	104.87771298° ± 1.73e-06
Arg. of Perihelion (ω)	76.49995727° ± 2.19e-06
Mean Anomaly (M)	75.83993705° ± 9.92e-07
Mean Motion (n)	0.5602198454°/day ± 1.61e-10
Perihelion dist (q)	1.03093301 AU ± 5.29e-09
Aphelion dist (Q)	1.88380274 AU ± 5.30e-09
Orbital Period	1.75935624 yr ± 5.06e-10

Physical Parameters

H (abs. magnitude)	16.97
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-05-31
RMS Residual	0.196″
Uncertainty	0
Orbit Type	Amor
MOID	0.190752 AU
Observations Used	3481
Radar Obs Used	1
Gaia Obs Used	105
Oppositions	16
Arc Total	1978-2015
First Observation Used	1978-08-10
Last Observation Used	2025-02-03

Observations (4268)

Date	Type	RA	Dec	Mag	Band	Observatory
2020-05-08 23:44:18	s	1 -144360.10	0 +334511.62	2570.0	–	C57
2020-05-09 00:14:18	S	15 23 03.197	+62 29 40.92	–	V	C57
2020-05-09 00:14:18	s	1 -145135.99	6 +333463.97	7670.0	–	C57
2020-05-09 00:44:18	S	15 23 02.818	+62 28 38.86	–	V	C57
2020-05-09 00:44:18	s	1 -145907.90	4 +332407.44	280.0	–	C57
2020-05-09 01:14:18	S	15 23 02.494	+62 27 34.85	–	V	C57
2020-05-09 01:14:18	s	1 -146675.78	6 +331341.99	360.0	–	C57
2020-05-09 01:44:18	S	15 23 01.843	+62 26 27.17	–	V	C57
2020-05-09 01:44:18	s	1 -147439.59	8 +330267.62	7870.0	–	C57
2020-05-09 02:14:18	S	15 23 01.560	+62 25 25.25	–	V	C57
2020-05-09 02:14:18	s	1 -148199.29	8 +329184.29	2780.0	–	C57
2020-05-09 02:44:18	S	15 23 01.231	+62 24 19.37	–	V	C57
2020-05-09 02:44:18	s	1 -148954.84	4 +328092.00	5060.0	–	C57
2020-05-09 03:14:18	S	15 23 00.494	+62 23 15.94	–	V	C57
2020-05-09 03:14:18	s	1 -149706.19	2 +326990.72	4670.0	–	C57
2020-05-09 03:44:18	S	15 23 00.370	+62 22 11.53	–	V	C57
2020-05-09 03:44:18	s	1 -150453.29	9 +325880.42	1570.0	–	C57
2020-05-09 04:02:58	C	15 19 17.20	+62 32 19.0	–	u	H21
2020-05-09 04:04:55	C	15 19 17.18	+62 32 14.8	–	u	H21
2020-05-09 04:06:53	C	15 19 17.14	+62 32 10.2	–	u	H21
2020-05-09 04:08:51	C	15 19 17.08	+62 32 05.5	–	u	H21
2020-05-09 04:10:48	C	15 19 17.03	+62 32 00.9	–	u	H21
2020-05-09 04:12:46	C	15 19 17.01	+62 31 56.7	–	u	H21
2020-05-09 04:14:18	S	15 22 59.722	+62 21 05.76	–	V	C57
2020-05-09 04:14:18	s	1 -151196.12	0 +324761.09	5720.0	–	C57
2020-05-09 04:14:43	C	15 19 16.94	+62 31 51.9	–	u	H21
2020-05-09 04:16:41	C	15 19 16.91	+62 31 47.6	–	u	H21
2020-05-09 04:18:39	C	15 19 16.85	+62 31 43.1	–	u	H21
2020-05-09 04:20:36	C	15 19 16.84	+62 31 38.6	–	u	H21
2020-05-09 04:22:34	C	15 19 16.79	+62 31 34.0	–	u	H21
2020-05-09 04:24:31	C	15 19 16.74	+62 31 29.5	–	u	H21
2020-05-09 04:26:04	C	15 19 16.70	+62 31 25.8	–	u	H21
2020-05-09 05:14:18	S	15 22 58.738	+62 19 00.16	–	V	C57
2020-05-09 05:14:18	s	1 -152668.72	4 +322495.23	5660.0	–	C57
2020-05-09 05:44:18	S	15 22 58.406	+62 17 54.60	–	V	C57
2020-05-09 05:44:18	s	1 -153398.41	6 +321348.66	1360.0	–	C57
2020-05-09 06:14:18	S	15 22 57.955	+62 16 48.29	–	V	C57
2020-05-09 06:14:18	s	1 -154123.63	9 +320192.96	4160.0	–	C57
2020-05-09 06:44:18	S	15 22 57.619	+62 15 44.53	–	V	C57
2020-05-09 06:44:18	s	1 -154844.34	6 +319028.12	4040.0	–	C57
2020-05-09 07:14:18	S	15 22 57.098	+62 14 39.70	–	V	C57
2020-05-09 07:14:18	s	1 -155560.49	0 +317854.10	940.0	–	C57
2020-05-09 07:44:18	S	15 22 56.261	+62 13 36.77	–	V	C57
2020-05-09 07:44:18	s	1 -156272.02	2 +316670.89	4830.0	–	C57
2020-05-09 08:14:18	S	15 22 55.922	+62 12 33.05	–	V	C57
2020-05-09 08:14:18	s	1 -156978.89	4 +315478.45	5670.0	–	C57
2020-05-09 08:44:18	S	15 22 55.351	+62 11 25.37	–	V	C57
2020-05-09 08:44:18	s	1 -157681.05	5 +314276.78	3410.0	–	C57
2020-05-09 09:14:18	S	15 22 55.075	+62 10 22.12	–	V	C57
2020-05-09 09:14:18	s	1 -158378.45	6 +313065.83	8030.0	–	C57

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137199 (1999 KX4)