137805 (1999 YK5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5582864760 ± 1.53e-08
Semi-major axis (a)0.8294032327 AU ± 2.16e-10
Inclination (i)16.74907008° ± 1.19e-06
Long. of Asc. Node (Ω)349.51469560° ± 5.46e-06
Arg. of Perihelion (ω)292.87916842° ± 5.11e-06
Mean Anomaly (M)252.58829564° ± 3.69e-06
Mean Motion (n)1.3048593161°/day ± 5.10e-10
Perihelion dist (q)0.36635862 AU ± 1.27e-08
Aphelion dist (Q)1.29244784 AU ± 1.27e-08
Orbital Period0.75535061 yr ± 2.95e-10
Physical Parameters
H (abs. magnitude)16.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.292″
Uncertainty0
Orbit TypeAten
MOID0.114085 AU
Observations Used3561
Gaia Obs Used43
Oppositions5
Arc Total1999-2015
First Observation Used1999-12-28
Last Observation Used2025-12-01
Observations (5683)
Date Type RA Dec Mag Band Observatory
2018-01-03 06:45:19 C 23 16 16.98 +26 09 07.7 U T08
2018-01-05 02:13:56 C 23 25 27.88 +26 50 52.8 U 703
2018-01-05 02:21:29 C 23 25 29.42 +26 50 59.9 U 703
2018-01-05 02:29:03 C 23 25 30.98 +26 51 06.9 U 703
2018-01-05 02:36:37 C 23 25 32.52 +26 51 13.6 U 703
2018-01-12 02:25:10 C 23 58 50.58 +29 03 18.4 U 703
2018-01-12 02:49:49 C 23 58 54.80 +29 03 31.6 U 703
2018-01-15 05:26:01 C 00 12 44.34 +29 49 57.9 U T08
2018-01-15 05:29:21 C 00 12 44.94 +29 50 00.3 U T08
2018-01-15 05:46:28 C 00 12 48.01 +29 50 09.8 U T08
2018-01-15 06:00:20 C 00 12 50.49 +29 50 17.5 U T08
2018-01-17 05:21:02 C 00 21 20.305 +30 16 31.73 U F51
2018-01-17 05:35:55 C 00 21 22.910 +30 16 39.44 U F51
2018-01-17 05:50:47 C 00 21 25.501 +30 16 47.08 U F51
2018-01-18 02:26:25 C 00 25 03.45 +30 27 27.1 U 703
2018-01-18 02:34:01 C 00 25 04.80 +30 27 31.9 U 703
2018-01-18 02:41:37 C 00 25 06.10 +30 27 35.2 U 703
2018-01-18 02:49:13 C 00 25 07.38 +30 27 39.2 U 703
2018-01-23 02:58:18 C 00 45 35.74 +31 22 37.2 U 703
2018-01-23 03:05:56 C 00 45 37.08 +31 22 40.9 U 703
2018-01-23 03:13:35 C 00 45 38.28 +31 22 43.1 U 703
2018-01-23 03:21:14 C 00 45 39.59 +31 22 45.8 U 703
2018-01-26 03:03:36 C 00 57 21.00 +31 50 20.2 U 703
2018-01-26 03:13:37 C 00 57 22.62 +31 50 23.2 U 703
2018-01-26 03:23:39 C 00 57 24.22 +31 50 27.1 U 703
2018-01-26 03:33:41 C 00 57 25.82 +31 50 29.9 U 703
2018-01-28 02:41:12 C 01 04 55.32 +32 06 47.0 U 703
2018-01-28 02:48:50 C 01 04 56.43 +32 06 49.5 U 703
2018-01-28 02:56:27 C 01 04 57.63 +32 06 51.2 U 703
2018-02-04 06:06:53 C 01 31 02.24 +32 55 41.0 U T08
2018-02-04 06:28:39 C 01 31 05.40 +32 55 46.1 U T08
2018-02-04 06:52:19 C 01 31 08.84 +32 55 52.4 U T08
2018-02-04 06:59:48 C 01 31 10.01 +32 55 52.2 U T08
2018-02-08 03:06:37 C 01 44 34.34 +33 16 30.0 U 703
2018-02-08 03:14:50 C 01 44 35.49 +33 16 32.6 U 703
2018-02-08 03:23:04 C 01 44 36.65 +33 16 34.5 U 703
2018-02-08 03:31:17 C 01 44 37.84 +33 16 35.8 U 703
2018-02-12 05:58:27 C 01 58 33.64 +33 35 09.1 U T08
2018-02-12 06:01:17 C 01 58 34.00 +33 35 08.5 U T08
2018-02-12 06:16:27 C 01 58 36.13 +33 35 11.2 U T08
2018-02-12 06:31:07 C 01 58 38.10 +33 35 13.3 U T08
2018-02-12 06:44:45 C 01 58 40.07 +33 35 15.1 U T08
2018-02-12 07:13:15 C 01 58 44.06 +33 35 18.8 U T08
2018-02-12 07:18:48 C 01 58 44.88 +33 35 22.8 U T08
2018-03-10 11:09:28 C 03 21 06.36 +34 29 37.5 q D29
2018-03-10 11:27:17 C 03 21 08.64 +34 29 38.2 q D29
2018-03-10 11:45:06 C 03 21 10.77 +34 29 37.9 q D29
2018-03-16 02:27:25 C 03 37 56.10 +34 29 11.1 U 703
2018-03-16 02:35:40 C 03 37 57.00 +34 29 10.4 U 703
2018-03-16 02:52:10 C 03 37 58.94 +34 29 08.8 U 703