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 21:14:18	S	15 21 58.930	+60 52 12.83	–	V	C57
2020-05-10 21:14:18	s	1 -191712.20	5 +199488.46	1870.0	–	C57
2020-05-10 21:44:18	S	15 21 57.605	+60 51 07.02	–	V	C57
2020-05-10 21:44:18	s	1 -191857.74	9 +197509.78	1450.0	–	C57
2020-05-10 22:14:18	S	15 21 56.515	+60 50 01.07	–	V	C57
2020-05-10 22:14:18	s	1 -191991.43	8 +195518.97	2100.0	–	C57
2020-05-10 22:44:18	S	15 21 55.363	+60 48 56.30	–	V	C57
2020-05-10 22:44:18	s	1 -192113.09	2 +193515.98	3680.0	–	C57
2020-05-10 23:14:18	S	15 21 54.156	+60 47 46.79	–	V	C57
2020-05-10 23:14:18	s	1 -192222.52	8 +191500.75	6030.0	–	C57
2020-05-10 23:44:18	S	15 21 53.215	+60 46 42.06	–	V	C57
2020-05-10 23:44:18	s	1 -192319.55	6 +189473.23	8990.0	–	C57
2020-05-11 00:14:18	S	15 21 51.962	+60 45 38.09	–	V	C57
2020-05-11 00:14:18	s	1 -192403.98	4 +187433.37	2410.0	–	C57
2020-05-11 00:44:18	S	15 21 50.719	+60 44 32.64	–	V	C57
2020-05-11 00:44:18	s	1 -192475.61	6 +185381.10	6120.0	–	C57
2020-05-11 01:44:18	S	15 21 48.523	+60 42 18.90	–	V	C57
2020-05-11 01:44:18	s	1 -192579.67	5 +181239.16	3750.0	–	C57
2020-05-11 02:14:18	S	15 21 47.314	+60 41 11.62	–	V	C57
2020-05-11 02:14:18	s	1 -192611.68	6 +179149.37	7310.0	–	C57
2020-05-11 02:44:18	S	15 21 46.123	+60 40 07.90	–	V	C57
2020-05-11 02:44:18	s	1 -192630.06	4 +177046.96	470.0	–	C57
2020-05-11 03:14:18	S	15 21 44.983	+60 38 59.64	–	V	C57
2020-05-11 03:14:18	s	1 -192634.58	8 +174931.88	3040.0	–	C57
2020-05-11 03:44:18	S	15 21 43.759	+60 37 52.75	–	V	C57
2020-05-11 03:44:18	s	1 -192625.03	0 +172804.07	4830.0	–	C57
2020-05-11 04:14:18	S	15 21 42.497	+60 36 49.07	–	V	C57
2020-05-11 04:14:18	s	1 -192601.15	9 +170663.48	5640.0	–	C57
2020-05-11 04:44:18	S	15 21 41.222	+60 35 41.53	–	V	C57
2020-05-11 04:44:18	s	1 -192562.73	5 +168510.05	5280.0	–	C57
2020-05-11 05:14:18	S	15 21 40.008	+60 34 34.97	–	V	C57
2020-05-11 05:14:18	s	1 -192509.51	5 +166343.73	3540.0	–	C57
2020-05-11 05:44:18	S	15 21 38.957	+60 33 27.58	–	V	C57
2020-05-11 05:44:18	s	1 -192441.24	9 +164164.47	210.0	–	C57
2020-05-11 06:14:18	S	15 21 37.519	+60 32 19.82	–	V	C57
2020-05-11 06:14:18	s	1 -192357.67	9 +161972.20	5080.0	–	C57
2020-05-11 06:44:18	S	15 21 36.295	+60 31 15.06	–	V	C57
2020-05-11 06:44:18	s	1 -192258.54	4 +159766.88	7920.0	–	C57
2020-05-11 07:14:18	S	15 21 34.930	+60 30 09.58	–	V	C57
2020-05-11 07:14:18	s	1 -192143.57	2 +157548.45	8510.0	–	C57
2020-05-11 07:44:18	S	15 21 33.602	+60 29 01.61	–	V	C57
2020-05-11 07:44:18	s	1 -192012.48	8 +155316.87	6610.0	–	C57
2020-05-11 08:14:18	S	15 21 32.191	+60 27 56.38	–	V	C57
2020-05-11 08:14:18	s	1 -191865.00	6 +153072.06	1980.0	–	C57
2020-05-11 08:44:18	S	15 21 30.876	+60 26 49.49	–	V	C57
2020-05-11 08:44:18	s	1 -191700.83	5 +150814.00	4370.0	–	C57
2020-05-11 09:14:18	S	15 21 29.479	+60 25 43.57	–	V	C57
2020-05-11 09:14:18	s	1 -191519.67	7 +148542.61	3540.0	–	C57
2020-05-11 09:44:18	S	15 21 28.186	+60 24 36.29	–	V	C57
2020-05-11 09:44:18	s	1 -191321.22	3 +146257.86	9220.0	–	C57

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137199 (1999 KX4)