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
1999-12-28 03:35:24 C 03 19 26.55 +77 19 16.1 17.4 a 704
1999-12-28 03:59:05 C 03 19 18.83 +77 18 22.1 17.3 a 704
1999-12-28 04:23:00 C 03 19 10.98 +77 17 27.6 17.8 a 704
1999-12-28 04:48:06 C 03 19 02.61 +77 16 29.3 17.5 a 704
1999-12-28 05:10:20 C 03 18 55.56 +77 15 37.9 17.2 a 704
1999-12-29 04:07:47 C 03 12 33.64 +76 23 39.2 17.1 a 704
1999-12-29 04:29:00 C 03 12 27.83 +76 22 50.4 16.9 a 704
1999-12-29 04:50:05 C 03 12 22.34 +76 22 01.8 18.1 a 704
1999-12-29 05:12:25 C 03 12 16.07 +76 21 10.7 17.7 a 704
1999-12-29 05:33:42 C 03 12 10.29 +76 20 21.8 17.8 a 704
1999-12-29 14:11:43 C 03 10 03.81 +76 00 39.0 z 402
1999-12-29 14:13:31 C 03 10 03.34 +76 00 35.3 z 402
1999-12-29 14:15:20 C 03 10 02.92 +76 00 30.6 z 402
1999-12-29 14:17:09 C 03 10 02.39 +76 00 26.7 z 402
1999-12-29 16:08:40 C 03 09 42.10 +75 56 07.9 c 461
1999-12-29 16:11:00 C 03 09 41.55 +75 56 01.7 c 461
1999-12-29 16:12:40 C 03 09 41.14 +75 56 00.2 c 461
1999-12-29 16:14:25 C 03 09 40.63 +75 55 54.0 c 461
1999-12-29 20:25:56 C 03 08 40.20 +75 46 24.6 557
1999-12-29 20:32:01 C 03 08 38.78 +75 46 10.6 557
1999-12-29 20:38:04 C 03 08 37.18 +75 45 55.5 557
1999-12-29 20:38:49 C 03 08 37.09 +75 45 56.5 595
1999-12-29 20:40:05 C 03 08 36.80 +75 45 51.8 557
1999-12-29 20:43:36 C 03 08 36.04 +75 45 45.5 595
1999-12-29 20:51:18 C 03 08 34.17 +75 45 27.8 595
1999-12-29 20:56:30 C 03 08 33.00 +75 45 15.1 595
1999-12-29 21:01:55 C 03 08 31.68 +75 45 03.3 595
1999-12-29 22:15:03 C 03 08 14.50 +75 42 13.1 c 046
1999-12-29 22:16:33 C 03 08 14.01 +75 42 09.7 c 046
1999-12-29 22:19:57 C 03 08 13.38 +75 42 01.8 c 046
1999-12-29 22:25:46 C 03 08 12.10 +75 41 47.5 c 046
1999-12-29 22:27:00 C 03 08 11.83 +75 41 46.1 c 046
1999-12-30 02:48:40 C 03 07 18.70 +75 31 55.3 c 713
1999-12-30 03:12:40 C 03 07 13.18 +75 31 00.3 c 713
1999-12-30 03:17:15 C 03 07 11.89 +75 30 49.5 16.7 a 704
1999-12-30 03:20:11 C 03 07 11.13 +75 30 41.6 c 713
1999-12-30 03:32:05 C 03 07 08.51 +75 30 16.7 c 713
1999-12-30 03:36:26 C 03 07 07.63 +75 30 06.5 c 713
1999-12-30 03:38:49 C 03 07 07.04 +75 30 00.3 17.3 a 704
1999-12-30 03:42:01 C 03 07 06.13 +75 29 51.8 c 713
1999-12-30 04:21:31 C 03 06 57.23 +75 28 22.6 16.9 a 704
1999-12-30 04:42:47 C 03 06 52.28 +75 27 33.5 17.2 a 704
1999-12-30 05:18:23 C 03 06 44.56 +75 26 11.6 z 684
1999-12-30 05:21:26 C 03 06 43.89 +75 26 04.5 z 684
1999-12-30 13:47:31 C 03 05 00.91 +75 06 46.1 z 900
1999-12-30 14:05:45 C 03 04 56.97 +75 06 03.4 z 900
1999-12-30 20:43:40 C 03 03 43.73 +74 50 54.6 587
1999-12-30 20:56:04 C 03 03 41.17 +74 50 25.8 587
1999-12-30 22:15:10 C 03 03 25.50 +74 47 21.7 c 046
1999-12-30 22:16:08 C 03 03 25.27 +74 47 19.4 c 046