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
2020-12-09 05:36:47 C 20 26 57.83 -01 09 07.6 V T08
2020-12-11 04:48:32 C 20 40 19.50 +00 51 14.1 V T05
2020-12-11 04:53:50 C 20 40 20.90 +00 51 26.6 V T05
2020-12-11 05:01:44 C 20 40 23.02 +00 51 44.9 V T05
2020-12-11 05:16:55 C 20 40 27.33 +00 52 25.9 V T05
2020-12-13 17:22:43 C 20 57 08.92 +03 22 26.8 V 160
2020-12-13 17:25:43 C 20 57 09.73 +03 22 33.6 V 160
2020-12-13 17:29:31 C 20 57 11.00 +03 22 44.9 V 160
2020-12-17 01:19:38 C 21 18 45.30 +06 33 59.6 V G96
2020-12-17 01:25:49 C 21 18 46.92 +06 34 14.2 V G96
2020-12-17 01:32:01 C 21 18 48.57 +06 34 29.0 V G96
2020-12-17 01:38:12 C 21 18 50.18 +06 34 42.7 V G96
2020-12-20 01:28:25 C 21 37 37.60 +09 16 31.7 V G96
2020-12-20 01:34:30 C 21 37 39.14 +09 16 44.9 V G96
2020-12-20 01:40:36 C 21 37 40.69 +09 16 58.1 V G96
2020-12-21 01:30:27 C 21 43 46.52 +10 08 13.1 V 703
2020-12-21 01:38:39 C 21 43 48.59 +10 08 30.0 V 703
2020-12-21 01:46:52 C 21 43 50.61 +10 08 47.6 V 703
2020-12-21 01:55:05 C 21 43 52.69 +10 09 06.0 V 703
2020-12-24 02:04:27 C 22 01 54.79 +12 36 19.9 V 703
2020-12-24 02:12:35 C 22 01 56.75 +12 36 34.9 V 703
2020-12-24 02:20:44 C 22 01 58.70 +12 36 50.9 V 703
2020-12-24 02:28:53 C 22 02 00.58 +12 37 06.1 V 703
2020-12-26 05:32:25 C 22 14 22.88 +14 13 57.4 V T08
2020-12-26 05:38:23 C 22 14 24.31 +14 14 08.3 V T08
2020-12-26 05:47:03 C 22 14 26.34 +14 14 24.2 V T08
2020-12-26 06:03:38 C 22 14 30.30 +14 14 54.5 V T08
2020-12-27 02:00:11 C 22 19 15.02 +14 50 59.5 V 703
2020-12-27 02:08:05 C 22 19 16.89 +14 51 12.6 V 703
2020-12-27 02:16:00 C 22 19 18.79 +14 51 27.1 V 703
2020-12-27 02:23:55 C 22 19 20.65 +14 51 41.0 V 703
2020-12-28 05:40:01 C 22 25 44.78 +15 39 34.7 V T05
2020-12-28 05:45:18 C 22 25 46.07 +15 39 44.5 V T05
2020-12-28 05:55:50 C 22 25 48.47 +15 40 02.1 V T05
2020-12-28 06:11:08 C 22 25 52.02 +15 40 27.3 V T05
2021-01-02 02:04:22 C 22 52 04.65 +18 44 45.6 V 703
2021-01-02 02:11:54 C 22 52 06.20 +18 44 57.9 V 703
2021-01-02 02:19:26 C 22 52 07.93 +18 45 08.2 V 703
2021-01-02 02:26:57 C 22 52 09.54 +18 45 18.9 V 703
2021-01-03 05:59:28 C 22 58 08.97 +19 24 49.5 V T08
2021-01-03 06:05:28 C 22 58 10.25 +19 24 57.9 V T08
2021-01-03 06:13:26 C 22 58 11.94 +19 25 09.0 V T08
2021-01-03 06:32:45 C 22 58 16.11 +19 25 36.2 V T08
2021-01-05 05:56:09 C 23 08 22.56 +20 29 50.2 V T05
2021-01-05 06:02:05 C 23 08 23.80 +20 29 57.4 V T05
2021-01-05 06:10:39 C 23 08 25.60 +20 30 08.7 V T05
2021-01-05 06:25:10 C 23 08 28.64 +20 30 26.9 V T05
2021-01-06 02:43:26 C 23 12 43.95 +20 56 33.7 V 703
2021-01-06 02:51:39 C 23 12 45.62 +20 56 44.2 V 703
2021-01-06 02:59:51 C 23 12 47.30 +20 56 53.9 V 703