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
2020-05-11 21:44:18	s	1 -180395.21	7 +87309.423	3540.0	–	C57
2020-05-11 22:44:18	S	15 20 47.402	+59 55 21.29	–	V	C57
2020-05-11 22:44:18	s	1 -178842.41	2 +82035.684	1200.0	–	C57
2020-05-11 23:14:18	S	15 20 45.564	+59 54 16.74	–	V	C57
2020-05-11 23:14:18	s	1 -178021.23	2 +79378.128	8440.0	–	C57
2020-05-12 00:14:18	S	15 20 41.786	+59 51 57.20	–	V	C57
2020-05-12 00:14:18	s	1 -176285.73	9 +74021.974	6560.0	–	C57
2020-05-12 00:44:18	S	15 20 40.106	+59 50 52.15	–	V	C57
2020-05-12 00:44:18	s	1 -175369.92	0 +71323.542	6100.0	–	C57
2020-05-12 01:14:18	S	15 20 38.273	+59 49 43.61	–	V	C57
2020-05-12 01:14:18	s	1 -174421.00	4 +68611.674	8350.0	–	C57
2020-05-12 01:44:18	S	15 20 36.451	+59 48 33.80	–	V	C57
2020-05-12 01:44:18	s	1 -173438.16	9 +65886.488	2590.0	–	C57
2020-05-12 02:14:18	S	15 20 34.462	+59 47 26.48	–	V	C57
2020-05-12 02:14:18	s	1 -172420.56	4 +63148.116	8040.0	–	C57
2020-05-12 02:44:18	S	15 20 32.309	+59 46 16.21	–	V	C57
2020-05-12 02:44:18	s	1 -171367.30	9 +60396.710	3920.0	–	C57
2020-05-12 03:14:18	S	15 20 30.624	+59 45 05.65	–	V	C57
2020-05-12 03:14:18	s	1 -170277.48	9 +57632.441	9390.0	–	C57
2020-05-12 03:44:18	S	15 20 28.625	+59 43 59.59	–	V	C57
2020-05-12 03:44:18	s	1 -169150.15	8 +54855.497	3610.0	–	C57
2020-05-12 04:14:18	S	15 20 26.345	+59 42 48.06	–	V	C57
2020-05-12 04:14:18	s	1 -167984.33	3 +52066.092	5680.0	–	C57
2020-05-12 04:44:18	S	15 20 24.600	+59 41 40.06	–	V	C57
2020-05-12 04:44:18	s	1 -166778.99	8 +49264.462	4680.0	–	C57
2020-05-12 05:14:18	S	15 20 22.699	+59 40 34.43	–	V	C57
2020-05-12 05:14:18	s	1 -165533.09	4 +46450.870	9640.0	–	C57
2020-05-12 05:44:18	S	15 20 20.326	+59 39 18.50	–	V	C57
2020-05-12 05:44:18	s	1 -164245.52	8 +43625.608	9560.0	–	C57
2020-05-12 06:14:18	S	15 20 18.230	+59 38 12.80	–	V	C57
2020-05-12 06:14:18	s	1 -162915.16	1 +40788.998	3400.0	–	C57
2020-05-12 06:44:18	S	15 20 16.188	+59 37 01.81	–	V	C57
2020-05-12 06:44:18	s	1 -161540.81	3 +37941.398	80.0	–	C57
2020-05-12 07:10:33	C	15 18 41.27	+59 30 22.2	–	V	G96
2020-05-12 07:14:18	S	15 20 14.074	+59 35 51.29	–	V	C57
2020-05-12 07:14:18	s	1 -160121.26	1 +35083.200	8460.0	–	C57
2020-05-12 07:18:08	C	15 18 41.10	+59 30 03.3	–	V	G96
2020-05-12 07:25:41	C	15 18 40.94	+59 29 44.4	–	V	G96
2020-05-12 07:33:16	C	15 18 40.77	+59 29 25.4	–	V	G96
2020-05-12 07:44:18	S	15 20 11.993	+59 34 42.53	–	V	C57
2020-05-12 07:44:18	s	1 -158655.23	2 +32214.840	7370.0	–	C57
2020-05-12 08:08:27	C	15 18 39.99	+59 27 57.0	–	V	703
2020-05-12 08:14:18	S	15 20 09.403	+59 33 30.85	–	V	C57
2020-05-12 08:14:18	s	1 -157141.40	7 +29336.794	5580.0	–	C57
2020-05-12 08:16:11	C	15 18 39.81	+59 27 37.5	–	V	703
2020-05-12 08:23:53	C	15 18 39.64	+59 27 17.9	–	V	703
2020-05-12 08:31:34	C	15 18 39.48	+59 26 58.5	–	V	703
2020-05-12 08:44:18	S	15 20 07.397	+59 32 21.95	–	V	C57
2020-05-12 08:44:18	s	1 -155578.41	6 +26449.590	1810.0	–	C57
2020-05-12 09:14:18	S	15 20 05.311	+59 31 09.91	–	V	C57

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137199 (1999 KX4)