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
2021-01-06 03:08:03 C 23 12 49.01 +20 57 05.2 V 703
2021-01-07 05:03:33 C 23 18 10.90 +21 29 21.0 V T08
2021-01-07 05:27:27 C 23 18 15.74 +21 29 49.8 V T08
2021-01-07 05:31:31 C 23 18 16.57 +21 29 54.7 V T08
2021-01-07 05:37:33 C 23 18 17.82 +21 30 01.7 V T08
2021-01-09 03:46:27 C 23 27 40.07 +22 24 13.4 V 703
2021-01-09 04:11:21 C 23 27 44.87 +22 24 41.1 V 703
2021-01-12 18:15:26 C 23 44 38.49 +23 56 14.0 V 130
2021-01-12 18:21:10 C 23 44 39.56 +23 56 19.8 V 130
2021-01-12 18:26:53 C 23 44 40.68 +23 56 25.4 V 130
2021-01-12 18:32:59 C 23 44 41.84 +23 56 31.0 V 130
2021-01-13 05:59:18 C 23 46 53.09 +24 07 53.1 V T05
2021-01-13 06:03:55 C 23 46 53.95 +24 07 57.2 V T05
2021-01-13 06:11:49 C 23 46 55.42 +24 08 04.6 V T05
2021-01-13 06:32:16 C 23 46 59.30 +24 08 24.4 V T05
2021-01-14 02:48:23 C 23 50 50.45 +24 27 53.3 V 703
2021-01-14 02:56:34 C 23 50 51.93 +24 28 01.4 V 703
2021-01-14 03:04:45 C 23 50 53.52 +24 28 08.7 V 703
2021-01-14 03:12:55 C 23 50 55.11 +24 28 15.5 V 703
2021-01-17 05:13:37 C 00 04 39.49 +25 34 37.2 V T05
2021-01-17 05:14:57 C 00 04 39.77 +25 34 38.0 V T05
2021-01-17 05:32:06 C 00 04 42.86 +25 34 53.2 V T05
2021-01-17 05:36:45 C 00 04 43.73 +25 34 57.3 V T05
2021-01-18 02:54:09 C 00 08 35.62 +25 52 38.0 V 703
2021-01-18 03:10:40 C 00 08 38.40 +25 52 51.4 V 703
2021-01-18 03:18:56 C 00 08 39.94 +25 52 58.6 V 703
2021-01-31 06:29:34 C 01 01 51.814 +29 18 59.09 U F51
2021-01-31 06:47:24 C 01 01 54.612 +29 19 07.90 U F51
2021-01-31 07:23:02 C 01 02 00.217 +29 19 25.61 U F51
2021-02-03 03:00:20 C 01 12 35.40 +29 52 25.9 U I41
2021-02-03 03:24:07 C 01 12 39.03 +29 52 36.7 U I41
2021-02-05 03:12:46 C 01 19 59.27 +30 14 03.5 U I41
2021-02-05 03:25:50 C 01 20 01.23 +30 14 09.0 U I41
2021-02-05 03:51:23 C 01 20 05.07 +30 14 19.7 U I41
2021-02-05 03:54:45 C 01 20 05.64 +30 14 21.1 U I41
2021-02-09 03:12:10 C 01 34 23.52 +30 52 53.8 U I41
2021-02-09 04:09:15 C 01 34 31.87 +30 53 14.5 U I41
2021-02-11 03:22:39 C 01 41 28.27 +31 10 27.1 U I41
2021-02-11 03:24:01 C 01 41 28.45 +31 10 27.8 U I41
2021-02-11 03:52:23 C 01 41 32.56 +31 10 37.4 U I41
2021-02-11 03:53:45 C 01 41 32.75 +31 10 37.8 U I41
2021-02-11 04:44:18 C 01 41 40.08 +31 10 55.0 U I41
2021-02-21 02:46:03 C 02 15 24.12 +32 21 30.0 V 703
2021-02-21 02:54:16 C 02 15 25.21 +32 21 32.3 V 703
2021-02-21 03:02:28 C 02 15 26.28 +32 21 34.8 V 703
2021-02-21 03:10:41 C 02 15 27.48 +32 21 34.9 V 703
2021-03-04 11:43:50 C 02 52 06.62 +33 15 07.5 q D29
2021-03-04 12:06:45 C 02 52 09.60 +33 15 10.8 q D29
2021-03-04 12:29:39 C 02 52 12.58 +33 15 13.8 q D29
2021-03-31 02:39:48 C 04 13 24.03 +33 50 54.8 V G96