137170 — IAA Minor Planet Database

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.4625092333 ± 7.37e-09
Semi-major axis (a)	0.8191205796 AU ± 6.91e-11
Inclination (i)	25.65676684° ± 6.33e-07
Long. of Asc. Node (Ω)	155.84265542° ± 1.66e-06
Arg. of Perihelion (ω)	253.41802715° ± 1.46e-06
Mean Anomaly (M)	60.85489352° ± 1.85e-06
Mean Motion (n)	1.3295066693°/day ± 1.68e-10
Perihelion dist (q)	0.44026975 AU ± 6.04e-09
Aphelion dist (Q)	1.19797141 AU ± 6.04e-09
Orbital Period	0.74134738 yr ± 9.38e-11

Physical Parameters

H (abs. magnitude)	14.66
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-05-31
RMS Residual	0.179″
Uncertainty	0
Orbit Type	Aten
MOID	0.173761 AU
Observations Used	8344
Radar Obs Used	1
Gaia Obs Used	16
Oppositions	6
Arc Total	1999-2017
First Observation Used	1999-04-20
Last Observation Used	2025-08-18

Observations (8901)

Date	Type	RA	Dec	Mag	Band	Observatory
2019-05-01 16:39:32	C	09 27 12.14	+57 34 03.6	–	q	C97
2019-05-01 16:40:43	C	09 27 12.42	+57 34 02.5	–	q	C97
2019-05-01 16:41:56	C	09 27 12.69	+57 34 01.0	–	q	C97
2019-05-01 16:43:08	C	09 27 13.02	+57 34 00.2	–	q	C97
2019-05-01 16:44:21	C	09 27 13.32	+57 33 59.1	–	q	C97
2019-05-02 04:02:15	C	09 30 04.84	+57 23 47.2	–	V	654
2019-05-02 04:08:02	C	09 30 06.24	+57 23 42.0	–	V	654
2019-05-02 04:53:29	C	09 30 17.12	+57 22 59.3	–	V	703
2019-05-02 05:00:58	C	09 30 18.94	+57 22 52.4	–	V	703
2019-05-02 05:08:27	C	09 30 20.77	+57 22 45.4	–	V	703
2019-05-02 05:10:58	C	09 30 21.60	+57 22 43.3	–	U	I41
2019-05-02 05:15:56	C	09 30 22.59	+57 22 38.3	–	V	703
2019-05-02 05:23:52	C	09 30 24.74	+57 22 31.2	–	U	I41
2019-05-02 05:42:49	C	09 30 29.35	+57 22 13.3	–	U	I41
2019-05-02 05:44:08	C	09 30 29.69	+57 22 12.0	–	U	I41
2019-05-04 04:49:36	C	09 41 46.04	+56 38 38.5	–	V	654
2019-05-04 05:34:48	C	09 41 56.16	+56 37 54.5	–	V	654
2019-05-04 17:15:10	C	09 44 35.26	+56 26 54.8	–	q	C97
2019-05-04 17:16:22	C	09 44 35.54	+56 26 53.5	–	q	C97
2019-05-04 17:17:32	C	09 44 35.79	+56 26 52.5	–	q	C97
2019-05-04 17:18:43	C	09 44 36.05	+56 26 51.3	–	q	C97
2019-05-04 17:19:54	C	09 44 36.33	+56 26 50.0	–	q	C97
2019-05-04 17:21:05	C	09 44 36.58	+56 26 48.9	–	q	C97
2019-05-04 17:22:17	C	09 44 36.80	+56 26 47.6	–	q	C97
2019-05-04 17:23:28	C	09 44 37.09	+56 26 46.7	–	q	C97
2019-05-04 19:43:43	C	09 45 09.19	+56 24 30.2	–	q	006
2019-05-04 19:45:43	C	09 45 09.65	+56 24 28.4	–	q	006
2019-05-04 19:47:43	C	09 45 10.08	+56 24 26.8	–	q	006
2019-05-04 19:49:13	C	09 45 10.40	+56 24 25.0	–	q	006
2019-05-04 19:51:43	C	09 45 10.96	+56 24 22.7	–	q	006
2019-05-04 19:53:43	C	09 45 11.44	+56 24 20.5	–	q	006
2019-05-04 19:55:43	C	09 45 11.80	+56 24 18.6	–	q	006
2019-05-04 19:57:43	C	09 45 12.25	+56 24 16.2	–	q	006
2019-05-06 04:53:28	C	09 52 21.78	+55 52 36.2	–	V	703
2019-05-06 05:01:10	C	09 52 23.37	+55 52 28.6	–	V	703
2019-05-06 05:08:53	C	09 52 24.97	+55 52 20.7	–	V	703
2019-05-06 05:16:35	C	09 52 26.57	+55 52 13.1	–	V	703
2019-05-07 07:49:37	C	09 57 56.64	+55 26 20.9	–	V	T08
2019-05-07 08:02:11	C	09 57 59.13	+55 26 08.3	–	V	T08
2019-05-07 08:08:54	C	09 58 00.45	+55 26 01.4	–	V	T08
2019-05-07 08:14:21	C	09 58 01.51	+55 25 55.8	–	V	T08
2019-05-07 08:15:44	C	09 58 01.80	+55 25 54.3	–	V	T08
2019-05-07 08:23:49	C	09 58 03.37	+55 25 46.1	–	V	T08
2019-05-07 08:25:11	C	09 58 03.67	+55 25 44.8	–	V	T08
2019-05-07 08:26:31	C	09 58 03.92	+55 25 43.6	–	V	T08
2019-05-07 08:38:38	C	09 58 06.30	+55 25 31.2	–	V	T08
2019-05-07 08:39:58	C	09 58 06.59	+55 25 29.7	–	V	T08
2019-05-07 08:41:17	C	09 58 06.84	+55 25 28.3	–	V	T08
2019-05-07 08:50:51	C	09 58 08.73	+55 25 18.7	–	V	T08
2019-05-07 20:58:45	C	10 00 35.62	+55 13 15.3	15.6	–	238

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137170 (1999 HF1)