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
2020-01-13 08:44:23	S	06 38 35.606	+30 26 55.61	–	V	C57
2020-01-13 08:44:23	s	1 -45983.649	0 +408928.95	6020.0	–	C57
2020-01-13 09:14:23	S	06 38 32.189	+30 28 20.57	–	V	C57
2020-01-13 09:14:23	s	1 -46988.870	0 +408992.24	5860.0	–	C57
2020-01-13 10:14:23	S	06 38 25.282	+30 31 24.46	–	V	C57
2020-01-13 10:14:23	s	1 -48996.801	0 +409095.93	1800.0	–	C57
2020-01-13 11:14:23	S	06 38 18.293	+30 34 30.43	–	V	C57
2020-01-13 11:14:23	s	1 -51001.260	0 +409169.19	2970.0	–	C57
2020-01-13 12:44:23	S	06 38 08.201	+30 38 59.32	–	V	C57
2020-01-13 12:44:23	s	1 -54001.115	0 +409222.14	1300.0	–	C57
2020-01-13 13:14:23	S	06 38 04.841	+30 40 29.82	–	V	C57
2020-01-13 13:14:23	s	1 -55001.150	0 +409223.93	3890.0	–	C57
2020-01-13 14:14:23	S	06 37 57.866	+30 43 33.82	–	V	C57
2020-01-13 14:14:23	s	1 -56994.309	0 +409206.25	2230.0	–	C57
2020-01-13 14:44:23	S	06 37 54.281	+30 45 04.61	–	V	C57
2020-01-13 14:44:23	s	1 -57989.375	0 +409186.08	9960.0	–	C57
2020-01-13 15:14:23	S	06 37 50.208	+30 46 26.18	–	V	C57
2020-01-13 15:14:23	s	1 -58983.408	0 +409158.38	6770.0	–	C57
2020-01-13 15:44:23	S	06 37 47.518	+30 48 08.21	–	V	C57
2020-01-13 15:44:23	s	1 -59976.389	0 +409123.14	2690.0	–	C57
2020-01-13 16:14:23	S	06 37 44.172	+30 49 37.13	–	V	C57
2020-01-13 16:14:23	s	1 -60968.299	0 +409080.38	7750.0	–	C57
2020-01-13 16:44:23	S	06 37 40.625	+30 51 11.34	–	V	C57
2020-01-13 16:44:23	s	1 -61959.122	0 +409030.10	1990.0	–	C57
2020-01-13 17:14:23	S	06 37 37.222	+30 52 40.12	–	V	C57
2020-01-13 17:14:23	s	1 -62948.838	0 +408972.31	5430.0	–	C57
2020-01-13 17:44:23	S	06 37 33.770	+30 54 12.35	–	V	C57
2020-01-13 17:44:23	s	1 -63937.429	0 +408907.01	8110.0	–	C57
2020-01-13 19:14:23	S	06 37 23.417	+30 58 44.80	–	V	C57
2020-01-13 19:14:23	s	1 -66896.271	0 +408666.17	1840.0	–	C57
2020-01-13 19:44:23	S	06 37 19.870	+31 00 18.86	–	V	C57
2020-01-13 19:44:23	s	1 -67880.181	0 +408570.92	1750.0	–	C57
2020-01-13 20:14:23	S	06 37 16.411	+31 01 50.77	–	V	C57
2020-01-13 20:14:23	s	1 -68862.875	0 +408468.19	1040.0	–	C57
2020-01-13 20:44:23	S	06 37 13.037	+31 03 19.19	–	V	C57
2020-01-13 20:44:23	s	1 -69844.334	0 +408358.00	9750.0	–	C57
2020-01-13 21:14:23	S	06 37 09.569	+31 04 50.23	–	V	C57
2020-01-13 21:14:23	s	1 -70824.542	0 +408240.35	7910.0	–	C57
2020-01-13 21:44:23	S	06 37 06.074	+31 06 22.21	–	V	C57
2020-01-13 21:44:23	s	1 -71803.479	0 +408115.24	5530.0	–	C57
2020-01-13 23:14:23	S	06 36 55.558	+31 10 57.94	–	V	C57
2020-01-13 23:14:23	s	1 -74732.485	0 +407695.22	5560.0	–	C57
2020-01-14 00:14:23	S	06 36 48.648	+31 14 00.17	–	V	C57
2020-01-14 00:14:23	s	1 -76678.470	0 +407378.01	6840.0	–	C57
2020-01-14 00:44:23	S	06 36 45.274	+31 15 29.20	–	V	C57
2020-01-14 00:44:23	s	1 -77649.401	0 +407208.26	1940.0	–	C57
2020-01-14 01:14:23	S	06 36 41.554	+31 17 05.68	–	V	C57
2020-01-14 01:14:23	s	1 -78618.934	0 +407031.09	6730.0	–	C57
2020-01-14 01:44:23	S	06 36 38.162	+31 18 34.02	–	V	C57
2020-01-14 01:44:23	s	1 -79587.051	0 +406846.50	1240.0	–	C57

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137199 (1999 KX4)