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
2020-01-12 17:14:23	s	1 -14513.035	0 +403127.83	3830.0	–	C57
2020-01-12 17:44:23	S	06 40 16.670	+29 41 15.65	–	V	C57
2020-01-12 17:44:23	s	1 -15534.541	0 +403432.87	8560.0	–	C57
2020-01-12 18:14:23	S	06 40 13.342	+29 42 47.30	–	V	C57
2020-01-12 18:14:23	s	1 -16555.818	0 +403729.92	1030.0	–	C57
2020-01-12 18:44:23	S	06 40 10.037	+29 44 18.35	–	V	C57
2020-01-12 18:44:23	s	1 -17576.846	0 +404019.00	1260.0	–	C57
2020-01-12 19:14:23	S	06 40 06.629	+29 45 50.11	–	V	C57
2020-01-12 19:14:23	s	1 -18597.605	0 +404300.13	9280.0	–	C57
2020-01-12 19:44:23	S	06 40 03.360	+29 47 17.20	–	V	C57
2020-01-12 19:44:23	s	1 -19618.074	0 +404573.31	5140.0	–	C57
2020-01-12 20:14:23	S	06 39 59.990	+29 48 50.69	–	V	C57
2020-01-12 20:14:23	s	1 -20638.232	0 +404838.56	8860.0	–	C57
2020-01-12 20:44:23	S	06 39 56.693	+29 50 21.59	–	V	C57
2020-01-12 20:44:23	s	1 -21658.060	0 +405095.90	490.0	–	C57
2020-01-12 21:20:08	C	06 39 32.62	+29 34 12.4	–	V	160
2020-01-12 21:23:06	C	06 39 32.37	+29 34 21.0	–	V	160
2020-01-12 21:25:56	C	06 39 32.01	+29 34 29.0	–	V	160
2020-01-12 21:44:23	S	06 39 49.922	+29 53 25.01	–	V	C57
2020-01-12 21:44:23	s	1 -23696.645	0 +405586.88	7580.0	–	C57
2020-01-12 23:14:23	S	06 39 39.950	+29 57 55.84	–	V	C57
2020-01-12 23:14:23	s	1 -26751.543	0 +406264.30	8320.0	–	C57
2020-01-12 23:44:23	S	06 39 36.619	+29 59 27.49	–	V	C57
2020-01-12 23:44:23	s	1 -27768.969	0 +406474.41	8050.0	–	C57
2020-01-13 00:14:23	S	06 39 33.132	+30 01 00.12	–	V	C57
2020-01-13 00:14:23	s	1 -28785.926	0 +406676.69	5930.0	–	C57
2020-01-13 00:44:23	S	06 39 29.851	+30 02 30.77	–	V	C57
2020-01-13 00:44:23	s	1 -29802.393	0 +406871.16	1970.0	–	C57
2020-01-13 01:14:23	S	06 39 26.570	+30 04 00.44	–	V	C57
2020-01-13 01:14:23	s	1 -30818.352	0 +407057.83	6210.0	–	C57
2020-01-13 01:44:23	S	06 39 23.002	+30 05 34.01	–	V	C57
2020-01-13 01:44:23	s	1 -31833.783	0 +407236.70	8690.0	–	C57
2020-01-13 02:14:23	S	06 39 19.692	+30 07 03.18	–	V	C57
2020-01-13 02:14:23	s	1 -32848.667	0 +407407.80	9440.0	–	C57
2020-01-13 02:44:23	S	06 39 16.284	+30 08 36.24	–	V	C57
2020-01-13 02:44:23	s	1 -33862.984	0 +407571.12	8480.0	–	C57
2020-01-13 04:14:23	S	06 39 05.964	+30 13 13.40	–	V	C57
2020-01-13 04:14:23	s	1 -36902.343	0 +408014.60	5730.0	–	C57
2020-01-13 05:14:23	S	06 38 59.407	+30 16 10.70	–	V	C57
2020-01-13 05:14:23	s	1 -38925.398	0 +408271.60	9320.0	–	C57
2020-01-13 06:14:23	S	06 38 52.310	+30 19 21.29	–	V	C57
2020-01-13 06:14:23	s	1 -40945.729	0 +408497.79	6870.0	–	C57
2020-01-13 06:44:23	S	06 38 49.188	+30 20 44.63	–	V	C57
2020-01-13 06:44:23	s	1 -41954.826	0 +408599.35	3460.0	–	C57
2020-01-13 07:14:23	S	06 38 45.838	+30 22 16.39	–	V	C57
2020-01-13 07:14:23	s	1 -42963.185	0 +408693.24	8640.0	–	C57
2020-01-13 07:44:23	S	06 38 42.317	+30 23 50.68	–	V	C57
2020-01-13 07:44:23	s	1 -43970.787	0 +408779.47	2440.0	–	C57
2020-01-13 08:14:23	S	06 38 39.036	+30 25 14.63	–	V	C57
2020-01-13 08:14:23	s	1 -44977.615	0 +408858.03	4890.0	–	C57

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137199 (1999 KX4)