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
2016-02-08 12:33:06 C 14 32 25.01 +74 48 13.3 15.4 t H06
2016-02-08 12:39:37 C 14 32 30.13 +74 48 49.0 14.7 t H06
2016-02-10 16:20:29 C 15 46 04.73 +79 13 06.2 q 168
2016-02-10 16:27:01 C 15 46 18.67 +79 13 36.5 q 168
2016-02-10 18:19:56 C 15 50 22.71 +79 22 18.6 q 168
2016-02-10 18:25:46 C 15 50 35.44 +79 22 45.3 q 168
2016-02-14 04:24:34 S 20 20 15.526 +80 18 06.95 L C51
2016-02-18 22:26:54 C 23 06 53.45 +65 11 02.3 q J69
2016-02-18 22:34:07 C 23 06 57.76 +65 09 51.3 q J69
2016-02-18 22:41:20 C 23 07 02.06 +65 08 40.4 q J69
2016-02-23 21:17:14 C 23 46 17.75 +45 36 16.5 q J69
2016-02-23 21:24:27 C 23 46 19.15 +45 35 06.7 q J69
2016-02-23 21:31:40 C 23 46 20.54 +45 33 56.8 q J69
2017-12-12 06:08:24 C 21 04 04.84 +11 32 14.7 U T05
2017-12-12 06:16:20 C 21 04 07.02 +11 32 33.6 U T05
2017-12-12 06:24:02 C 21 04 09.24 +11 32 52.5 U T05
2017-12-12 06:31:44 C 21 04 11.39 +11 33 11.1 U T05
2017-12-17 17:54:40 C 21 40 35.71 +16 24 25.3 q 160
2017-12-17 17:57:31 C 21 40 36.52 +16 24 31.3 q 160
2017-12-17 18:00:22 C 21 40 37.25 +16 24 35.2 q 160
2017-12-21 17:49:44 C 22 05 45.15 +19 24 38.1 q 160
2017-12-21 17:52:04 C 22 05 45.72 +19 24 42.2 q 160
2017-12-21 17:54:25 C 22 05 46.29 +19 24 46.6 q 160
2017-12-23 17:45:01 C 22 17 50.33 +20 44 35.2 q 160
2017-12-23 17:47:18 C 22 17 50.93 +20 44 39.2 q 160
2017-12-23 17:49:34 C 22 17 51.42 +20 44 42.9 q 160
2017-12-25 01:37:56 C 22 25 41.95 +21 34 16.0 U 703
2017-12-25 01:46:13 C 22 25 43.89 +21 34 28.4 U 703
2017-12-25 01:54:30 C 22 25 45.94 +21 34 41.3 U 703
2017-12-25 02:02:47 C 22 25 47.98 +21 34 53.3 U 703
2017-12-29 02:36:23 C 22 48 43.10 +23 48 49.8 U 703
2017-12-29 02:43:58 C 22 48 44.82 +23 48 58.8 U 703
2017-12-29 02:51:32 C 22 48 46.51 +23 49 07.9 U 703
2017-12-29 02:59:08 C 22 48 48.27 +23 49 18.2 U 703
2017-12-30 00:40:08 C 22 53 46.25 +24 16 12.9 U W34
2017-12-30 00:58:21 C 22 53 50.35 +24 16 34.2 U W34
2017-12-30 01:10:01 C 22 53 53.01 +24 16 48.6 U W34
2018-01-01 04:56:57 C 23 05 28.71 +25 16 49.4 U T05
2018-01-01 05:15:32 C 23 05 32.74 +25 17 09.7 U T05
2018-01-01 05:16:12 C 23 05 32.89 +25 17 10.2 U T05
2018-01-01 05:34:08 C 23 05 36.74 +25 17 30.0 U T05
2018-01-01 23:39:00 C 23 09 34.66 +25 36 58.8 q I15
2018-01-01 23:46:58 C 23 09 36.36 +25 37 06.6 q I15
2018-01-01 23:54:58 C 23 09 38.05 +25 37 15.2 q I15
2018-01-02 18:05:33 C 23 13 34.41 +25 56 13.5 q 160
2018-01-02 18:08:32 C 23 13 35.02 +25 56 16.4 q 160
2018-01-02 18:11:31 C 23 13 35.68 +25 56 19.7 q 160
2018-01-03 06:32:25 C 23 16 14.28 +26 08 56.2 U T08
2018-01-03 06:33:45 C 23 16 14.66 +26 08 57.7 U T08
2018-01-03 06:43:17 C 23 16 16.57 +26 09 06.3 U T08