203015 (1999 YF3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1432485764 ± 5.66e-08
Semi-major axis (a)1.4869013235 AU ± 1.35e-09
Inclination (i)26.76201225° ± 8.74e-06
Long. of Asc. Node (Ω)298.87940585° ± 5.21e-06
Arg. of Perihelion (ω)147.12549698° ± 2.61e-05
Mean Anomaly (M)110.44395755° ± 2.49e-05
Mean Motion (n)0.5436120239°/day ± 7.39e-10
Perihelion dist (q)1.27390483 AU ± 8.42e-08
Aphelion dist (Q)1.69989782 AU ± 8.42e-08
Orbital Period1.81310611 yr ± 2.47e-09
Physical Parameters
H (abs. magnitude)18.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.413″
Uncertainty0
Orbit TypeAmor
MOID0.311927 AU
Observations Used314
Oppositions9
Arc Total1999-2020
First Observation Used1999-12-19
Last Observation Used2020-02-06
Observations (324)
Date Type RA Dec Mag Band Observatory
2020-01-29 11:11:53 C 09 11 20.32 -09 32 15.0 V T05
2020-01-30 07:52:12 C 09 08 33.41 -10 14 23.8 V 703
2020-01-30 07:59:48 C 09 08 32.35 -10 14 39.3 V 703
2020-01-30 08:07:24 C 09 08 31.26 -10 14 54.7 V 703
2020-01-30 08:15:00 C 09 08 30.20 -10 15 09.8 V 703
2020-01-30 08:36:35 C 09 08 28.29 -10 15 48.5 V T05
2020-01-30 08:41:11 C 09 08 27.66 -10 15 57.9 V T05
2020-01-30 08:52:00 C 09 08 26.11 -10 16 20.1 V T05
2020-01-30 09:07:27 C 09 08 23.95 -10 16 51.0 V T05
2020-01-31 10:32:04 C 09 04 58.796 -11 07 04.50 U F52
2020-01-31 10:48:58 C 09 04 56.422 -11 07 37.46 U F52
2020-02-02 05:52:03 C 08 59 13.20 -12 28 55.0 V 703
2020-02-02 05:59:37 C 08 59 12.22 -12 29 09.0 V 703
2020-02-02 06:07:11 C 08 59 11.20 -12 29 22.5 V 703
2020-02-03 10:19:14 C 08 55 28.44 -13 19 48.8 V T05
2020-02-03 10:26:58 C 08 55 27.39 -13 20 02.4 V T05
2020-02-03 10:31:35 C 08 55 26.74 -13 20 10.6 V T05
2020-02-03 10:49:16 C 08 55 24.33 -13 20 41.4 V T05
2020-02-05 09:39:46 C 08 49 22.40 -14 39 34.2 V T08
2020-02-05 09:44:23 C 08 49 21.80 -14 39 41.8 V T08
2020-02-05 09:53:38 C 08 49 20.55 -14 39 56.4 V T08
2020-02-06 05:17:03 C 08 46 54.04 -15 10 49.7 V 703
2020-02-06 05:33:48 C 08 46 51.93 -15 11 15.9 V 703
2020-02-06 05:42:11 C 08 46 50.85 -15 11 29.1 V 703