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
2011-12-03 16:02:55 C 20 20 01.73 +31 03 12.5 u C73
2011-12-03 16:03:16 C 20 20 01.89 +31 03 13.3 u C73
2012-01-05 23:47:51 C 00 08 22.02 +40 24 09.4 u I15
2012-01-05 23:52:08 C 00 08 22.85 +40 24 08.9 u I15
2012-01-05 23:56:23 C 00 08 23.66 +40 24 08.3 u I15
2012-01-09 20:27:28 C 00 26 00.60 +40 12 33.2 c A24
2012-01-09 20:28:30 C 00 26 00.81 +40 12 32.6 c A24
2012-01-09 20:42:12 C 00 26 03.31 +40 12 30.4 c A24
2012-01-09 21:10:35 C 00 26 08.55 +40 12 26.1 c A24
2012-01-09 21:11:38 C 00 26 08.70 +40 12 25.1 c A24
2012-01-10 18:19:01 C 00 29 59.88 +40 09 22.1 c A24
2012-01-10 18:20:04 C 00 30 00.09 +40 09 22.0 c A24
2012-01-10 18:42:37 C 00 30 04.12 +40 09 18.4 c A24
2012-01-10 19:28:46 C 00 30 12.33 +40 09 10.8 c A24
2012-01-10 19:29:49 C 00 30 12.54 +40 09 10.1 c A24
2012-01-11 18:01:59 C 00 34 14.88 +40 05 42.8 c A24
2012-01-11 18:03:01 C 00 34 15.06 +40 05 42.9 c A24
2012-01-11 18:25:26 C 00 34 18.96 +40 05 38.8 c A24
2012-01-11 19:11:17 C 00 34 26.90 +40 05 31.0 c A24
2012-01-11 19:12:19 C 00 34 27.13 +40 05 30.5 c A24
2012-01-12 18:28:41 C 00 38 33.00 +40 01 46.6 c A24
2012-01-12 18:29:44 C 00 38 33.19 +40 01 46.6 c A24
2012-01-12 20:49:58 C 00 38 57.23 +40 01 21.1 c A24
2012-01-13 18:38:58 C 00 42 44.05 +39 57 45.0 c A24
2012-01-13 18:40:01 C 00 42 44.18 +39 57 45.1 c A24
2012-01-13 19:02:59 C 00 42 48.08 +39 57 40.8 c A24
2012-01-13 19:49:55 C 00 42 55.97 +39 57 32.2 c A24
2012-01-13 19:50:57 C 00 42 56.19 +39 57 33.1 c A24
2012-01-14 18:20:10 C 00 46 46.11 +39 53 42.2 c A24
2012-01-14 18:21:12 C 00 46 46.26 +39 53 42.2 c A24
2012-01-24 19:08:02 C 01 24 41.19 +39 09 17.3 c A24
2012-01-24 19:52:52 C 01 24 47.92 +39 09 09.6 c A24
2012-01-24 20:14:00 C 01 24 50.96 +39 09 04.4 c A24
2012-01-24 20:16:04 C 01 24 51.27 +39 09 03.7 c A24
2012-01-25 18:08:13 C 01 28 04.20 +39 04 59.1 c A24
2012-01-25 18:10:17 C 01 28 04.49 +39 04 58.8 c A24
2012-01-25 18:31:25 C 01 28 07.52 +39 04 54.6 c A24
2012-01-25 18:53:03 C 01 28 10.62 +39 04 50.2 c A24
2012-01-25 19:14:11 C 01 28 13.72 +39 04 46.1 c A24
2012-01-26 18:27:23 C 01 31 36.16 +39 00 25.4 c A24
2012-01-26 18:29:27 C 01 31 36.41 +39 00 25.0 c A24
2012-01-26 18:47:05 C 01 31 38.92 +39 00 21.5 c A24
2012-01-26 19:05:13 C 01 31 41.51 +39 00 17.9 c A24
2012-01-26 19:22:50 C 01 31 44.03 +39 00 14.4 c A24
2012-01-26 19:24:55 C 01 31 44.30 +39 00 13.6 c A24
2012-02-07 02:11:30 C 02 08 51.08 +38 11 02.8 u I15
2012-02-07 02:17:47 C 02 08 51.82 +38 11 01.1 u I15
2012-02-07 02:24:05 C 02 08 52.68 +38 11 00.1 u I15
2012-02-11 02:05:47 C 02 21 13.94 +37 54 28.2 18.5 c 704
2012-02-11 02:23:18 C 02 21 16.04 +37 54 25.3 18.7 c 704