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
2020-06-22 22:56:47	C	15 28 35.17	+07 19 05.9	–	–	557
2020-06-22 23:26:05	C	15 28 36.02	+07 17 41.5	–	–	557
2020-06-22 23:55:21	C	15 28 36.88	+07 16 17.3	–	–	557
2020-06-23 08:55:16	C	15 28 55.085	+06 50 42.60	–	U	F52
2020-06-23 09:12:19	C	15 28 55.542	+06 49 53.88	–	U	F52
2020-06-23 09:29:18	C	15 28 55.993	+06 49 05.33	–	U	F52
2020-06-23 21:17:30	C	15 29 20.15	+06 15 23.0	–	–	557
2020-06-23 21:53:07	C	15 29 21.21	+06 13 44.7	–	q	160
2020-06-23 21:55:22	C	15 29 21.28	+06 13 38.4	–	q	160
2020-06-23 21:57:35	C	15 29 21.34	+06 13 32.1	–	q	160
2020-06-23 22:10:54	C	15 29 21.70	+06 12 52.4	–	–	557
2020-06-23 22:42:16	C	15 29 22.63	+06 11 23.7	–	–	557
2020-06-23 23:16:42	C	15 29 23.67	+06 09 46.3	–	–	557
2020-06-23 23:46:00	C	15 29 24.57	+06 08 23.5	–	–	557
2020-06-24 07:49:51	C	15 29 41.88	+05 45 55.6	–	V	T08
2020-06-24 08:37:11	C	15 29 43.18	+05 43 42.9	–	V	T08
2020-06-24 08:41:12	C	15 29 43.29	+05 43 31.7	–	V	T08
2020-06-24 08:51:11	C	15 29 43.56	+05 43 03.7	–	V	T08
2020-06-25 22:03:25	C	15 31 02.35	+04 00 22.4	–	o	G17
2020-06-25 22:04:52	C	15 31 02.42	+04 00 19.0	–	q	160
2020-06-25 22:07:02	C	15 31 02.48	+04 00 13.1	–	q	160
2020-06-25 22:09:13	C	15 31 02.56	+04 00 07.2	–	q	160
2020-06-25 22:09:40	C	15 31 02.58	+04 00 06.0	–	o	G17
2020-06-25 22:12:22	C	15 31 02.64	+03 59 58.4	–	o	G17
2020-06-26 09:06:15	C	15 31 26.46	+03 30 42.4	–	V	T05
2020-06-26 09:10:17	C	15 31 26.58	+03 30 31.6	–	V	T05
2020-06-26 09:18:15	C	15 31 26.82	+03 30 10.2	–	V	T05
2020-06-26 09:32:59	C	15 31 27.29	+03 29 30.7	–	V	T05
2020-06-26 21:44:35	C	15 31 54.77	+02 56 49.0	–	o	G17
2020-06-26 21:46:04	C	15 31 54.80	+02 56 44.7	–	o	G17
2020-06-26 21:47:45	C	15 31 54.86	+02 56 40.4	–	o	G17
2020-06-26 22:05:06	C	15 31 55.45	+02 55 54.5	–	q	160
2020-06-26 22:07:25	C	15 31 55.53	+02 55 48.3	–	q	160
2020-06-26 22:09:43	C	15 31 55.60	+02 55 42.3	–	q	160
2020-06-27 19:59:13	C	15 32 45.95	+01 58 20.3	–	V	K83
2020-06-27 20:00:17	C	15 32 45.98	+01 58 17.1	–	V	K83
2020-06-27 20:01:57	C	15 32 46.03	+01 58 14.0	–	V	K83
2020-06-28 06:52:04	C	15 33 11.36	+01 30 18.9	–	V	T08
2020-06-28 06:54:44	C	15 33 11.45	+01 30 12.2	–	V	T08
2020-06-28 06:59:22	C	15 33 11.61	+01 30 00.2	–	V	T08
2020-06-28 07:33:36	C	15 33 12.71	+01 28 32.0	–	V	T08
2020-06-28 07:38:00	C	15 33 12.86	+01 28 20.7	–	V	T08
2020-06-28 08:25:52	C	15 33 14.43	+01 26 17.5	–	V	T08
2020-06-28 08:30:41	C	15 33 14.56	+01 26 05.1	–	V	T08
2020-06-28 08:38:07	C	15 33 14.82	+01 25 46.1	–	V	T08
2020-06-28 21:20:32	C	15 33 45.03	+00 53 08.8	–	V	160
2020-06-28 21:22:48	C	15 33 45.10	+00 53 03.0	–	V	160
2020-06-28 21:25:05	C	15 33 45.17	+00 52 57.1	–	V	160
2020-06-29 21:57:23	C	15 34 44.38	-00 08 39.5	–	q	160
2020-06-29 21:59:38	C	15 34 44.46	-00 08 45.1	–	q	160

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137199 (1999 KX4)