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
2018-11-27 10:19:01 C 10 57 41.46 +36 50 47.9 V 703
2018-11-27 10:26:16 C 10 57 41.99 +36 50 50.5 V 703
2018-11-27 10:33:30 C 10 57 42.48 +36 50 52.9 V 703
2018-11-27 10:40:44 C 10 57 42.97 +36 50 54.8 V 703
2018-11-29 22:23:36 S 11 02 00.602 +37 10 16.79 L C51
2018-12-04 09:47:38 C 11 09 30.88 +37 51 08.8 V 703
2018-12-04 09:54:48 C 11 09 31.34 +37 51 12.2 V 703
2018-12-04 10:01:57 C 11 09 31.82 +37 51 15.6 V 703
2018-12-04 10:09:07 C 11 09 32.29 +37 51 18.7 V 703
2018-12-07 04:38:41 C 11 13 58.47 +38 21 11.0 V C95
2018-12-07 04:43:46 C 11 13 58.78 +38 21 13.5 V C95
2018-12-07 04:48:51 C 11 13 59.11 +38 21 16.0 V C95
2018-12-09 11:54:05 C 11 17 32.98 +38 48 57.9 U I41
2018-12-09 11:55:25 C 11 17 33.06 +38 48 58.6 U I41
2018-12-09 12:48:24 C 11 17 36.22 +38 49 27.2 U I41
2018-12-09 12:49:45 C 11 17 36.30 +38 49 28.0 U I41
2018-12-12 11:34:27 C 11 22 00.19 +39 29 16.2 U I41
2018-12-12 11:35:47 C 11 22 00.27 +39 29 17.0 U I41
2018-12-12 12:15:28 C 11 22 02.54 +39 29 41.5 U I41
2018-12-12 12:16:49 C 11 22 02.61 +39 29 42.3 U I41
2018-12-16 12:25:44 C 11 27 39.54 +40 32 21.4 V 703
2018-12-16 12:31:25 C 11 27 39.84 +40 32 25.4 V 703
2018-12-16 12:37:11 C 11 27 40.14 +40 32 29.5 V 703
2018-12-16 12:43:12 C 11 27 40.45 +40 32 33.6 V 703
2018-12-20 08:43:07 C 11 32 38.18 +41 42 45.3 V 703
2018-12-20 08:50:57 C 11 32 38.55 +41 42 51.7 V 703
2018-12-20 08:58:48 C 11 32 38.91 +41 42 58.8 V 703
2018-12-20 09:06:38 C 11 32 39.34 +41 43 05.5 V 703
2018-12-22 14:53:25 C 11 35 18.84 +42 29 33.9 V T08
2018-12-22 15:06:44 C 11 35 19.38 +42 29 45.7 V T08
2018-12-22 15:20:17 C 11 35 19.97 +42 29 57.8 V T08
2018-12-22 15:33:31 C 11 35 20.56 +42 30 10.5 V T08
2019-01-03 11:45:49 C 11 45 39.81 +47 55 43.0 I41
2019-01-03 11:47:11 C 11 45 39.83 +47 55 44.9 I41
2019-01-03 12:44:06 C 11 45 40.64 +47 57 06.4 I41
2019-01-03 12:46:07 C 11 45 40.67 +47 57 09.3 I41
2019-01-04 09:04:31 C 11 46 05.93 +48 26 33.8 V 703
2019-01-04 09:14:14 C 11 46 06.06 +48 26 48.4 V 703
2019-01-04 09:22:03 C 11 46 06.16 +48 27 00.6 V 703
2019-01-04 09:29:51 C 11 46 06.26 +48 27 12.3 V 703
2019-01-05 14:51:02 C 11 46 33.53 +49 11 38.7 V T05
2019-01-05 15:03:44 C 11 46 33.60 +49 11 58.4 V T05
2019-01-05 15:16:54 C 11 46 33.67 +49 12 18.8 V T05
2019-01-05 15:18:16 C 11 46 33.67 +49 12 20.8 V T05
2019-01-05 15:31:02 C 11 46 33.75 +49 12 40.5 V T05
2019-01-05 15:32:23 C 11 46 33.75 +49 12 42.6 V T05
2019-01-08 10:41:33 C 11 47 05.91 +51 02 03.7 V 703
2019-01-08 10:42:48 C 11 47 05.92 +51 02 06.0 V 703
2019-01-08 10:50:33 C 11 47 05.83 +51 02 19.3 V 703
2019-01-08 10:51:48 C 11 47 05.83 +51 02 21.5 V 703