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
2020-05-10 07:44:18	S	15 22 24.497	+61 21 43.06	–	V	C57
2020-05-10 07:44:18	s	1 -183866.11	5 +248512.75	4150.0	–	C57
2020-05-10 08:14:18	S	15 22 23.654	+61 20 32.78	–	V	C57
2020-05-10 08:14:18	s	1 -184275.70	4 +246842.74	8650.0	–	C57
2020-05-10 08:44:18	S	15 22 23.033	+61 19 33.35	–	V	C57
2020-05-10 08:44:18	s	1 -184677.12	2 +245161.90	7250.0	–	C57
2020-05-10 09:44:18	S	15 22 21.247	+61 17 18.89	–	V	C57
2020-05-10 09:44:18	s	1 -185455.02	4 +241767.56	6390.0	–	C57
2020-05-10 10:14:18	S	15 22 20.412	+61 16 17.40	–	V	C57
2020-05-10 10:14:18	s	1 -185831.29	3 +240053.97	6760.0	–	C57
2020-05-10 10:44:18	S	15 22 19.416	+61 15 10.33	–	V	C57
2020-05-10 10:44:18	s	1 -186198.96	1 +238329.38	870.0	–	C57
2020-05-10 11:14:18	S	15 22 18.698	+61 14 05.71	–	V	C57
2020-05-10 11:14:18	s	1 -186557.91	4 +236593.74	8640.0	–	C57
2020-05-10 11:44:18	S	15 22 17.693	+61 13 00.84	–	V	C57
2020-05-10 11:44:18	s	1 -186908.03	7 +234847.00	9960.0	–	C57
2020-05-10 12:14:18	S	15 22 16.603	+61 11 55.64	–	V	C57
2020-05-10 12:14:18	s	1 -187249.21	4 +233089.13	4750.0	–	C57
2020-05-10 12:44:18	S	15 22 15.811	+61 10 48.97	–	V	C57
2020-05-10 12:44:18	s	1 -187581.32	4 +231320.07	2910.0	–	C57
2020-05-10 13:14:18	S	15 22 15.034	+61 09 42.88	–	V	C57
2020-05-10 13:14:18	s	1 -187904.24	7 +229539.78	4330.0	–	C57
2020-05-10 13:44:18	S	15 22 13.925	+61 08 39.30	–	V	C57
2020-05-10 13:44:18	s	1 -188217.85	8 +227748.21	8920.0	–	C57
2020-05-10 14:14:18	S	15 22 13.042	+61 07 33.10	–	V	C57
2020-05-10 14:14:18	s	1 -188522.03	1 +225945.32	6570.0	–	C57
2020-05-10 14:44:18	S	15 22 12.276	+61 06 29.27	–	V	C57
2020-05-10 14:44:18	s	1 -188816.63	7 +224131.05	7180.0	–	C57
2020-05-10 15:14:18	S	15 22 10.889	+61 05 21.26	–	V	C57
2020-05-10 15:14:18	s	1 -189101.54	4 +222305.37	640.0	–	C57
2020-05-10 15:44:18	S	15 22 10.214	+61 04 15.67	–	V	C57
2020-05-10 15:44:18	s	1 -189376.61	8 +220468.22	6830.0	–	C57
2020-05-10 16:44:18	S	15 22 08.026	+61 02 06.07	–	V	C57
2020-05-10 16:44:18	s	1 -189896.71	7 +216759.32	6990.0	–	C57
2020-05-10 17:14:18	S	15 22 07.061	+61 00 57.89	–	V	C57
2020-05-10 17:14:18	s	1 -190141.45	9 +214887.47	720.0	–	C57
2020-05-10 17:44:18	S	15 22 06.048	+60 59 54.20	–	V	C57
2020-05-10 17:44:18	s	1 -190375.80	4 +213003.95	6720.0	–	C57
2020-05-10 18:14:18	S	15 22 04.910	+60 58 46.63	–	V	C57
2020-05-10 18:14:18	s	1 -190599.60	3 +211108.72	4880.0	–	C57
2020-05-10 18:44:18	S	15 22 04.080	+60 57 41.83	–	V	C57
2020-05-10 18:44:18	s	1 -190812.70	4 +209201.73	5070.0	–	C57
2020-05-10 19:14:18	S	15 22 02.930	+60 56 35.38	–	V	C57
2020-05-10 19:14:18	s	1 -191014.95	3 +207282.91	7160.0	–	C57
2020-05-10 19:44:18	S	15 22 01.937	+60 55 30.76	–	V	C57
2020-05-10 19:44:18	s	1 -191206.19	0 +205352.23	1010.0	–	C57
2020-05-10 20:14:18	S	15 22 01.152	+60 54 20.48	–	V	C57
2020-05-10 20:14:18	s	1 -191386.25	6 +203409.63	6510.0	–	C57
2020-05-10 20:44:18	S	15 22 00.170	+60 53 19.93	–	V	C57
2020-05-10 20:44:18	s	1 -191554.98	4 +201455.06	3510.0	–	C57

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137199 (1999 KX4)