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
2019-10-28 10:44:22 C 09 23 17.37 +49 45 14.9 V G96
2019-11-05 10:39:10 C 09 44 26.73 +47 01 09.1 V 703
2019-11-05 10:46:17 C 09 44 27.57 +47 01 02.7 V 703
2019-11-05 11:00:30 C 09 44 28.82 +47 00 50.8 V 703
2019-12-02 09:11:54 C 10 28 49.23 +35 37 05.3 V 703
2019-12-02 09:19:37 C 10 28 49.48 +35 36 55.1 V 703
2019-12-02 09:27:19 C 10 28 49.74 +35 36 47.3 V 703
2019-12-02 09:35:02 C 10 28 49.92 +35 36 36.7 V 703
2019-12-19 12:07:12 C 10 33 59.20 +25 52 43.5 U I41
2019-12-19 12:29:02 C 10 33 58.81 +25 52 07.7 U I41
2019-12-19 12:29:41 C 10 33 58.80 +25 52 06.7 U I41
2019-12-19 13:14:38 C 10 33 58.00 +25 50 52.9 U I41
2019-12-20 09:50:16 C 10 33 40.75 +25 16 51.1 V 703
2019-12-20 09:57:51 C 10 33 40.74 +25 16 37.9 V 703
2019-12-20 10:05:26 C 10 33 40.55 +25 16 26.2 V 703
2019-12-20 10:13:03 C 10 33 40.53 +25 16 12.6 V 703
2019-12-20 13:52:54 C 10 33 36.73 +25 10 11.6 V T08
2019-12-20 14:01:04 C 10 33 36.54 +25 09 57.3 V T08
2019-12-20 14:05:26 C 10 33 36.40 +25 09 49.6 V T08
2019-12-20 14:21:44 C 10 33 36.06 +25 09 23.0 V T08
2019-12-23 02:54:51 C 10 32 20.35 +23 25 38.8 V C95
2019-12-23 03:01:49 C 10 32 20.13 +23 25 27.2 V C95
2019-12-28 05:08:32 C 10 28 07.61 +19 41 06.2 V 160
2019-12-28 05:11:58 C 10 28 07.63 +19 40 59.7 V 160
2019-12-28 05:15:27 C 10 28 07.39 +19 40 51.2 V 160
2019-12-29 03:48:53 C 10 27 06.14 +18 57 04.2 V 160
2019-12-29 03:51:54 C 10 27 06.03 +18 56 57.7 V 160
2019-12-29 03:54:55 C 10 27 05.88 +18 56 52.3 V 160
2019-12-30 03:26:04 C 10 25 56.77 +18 10 22.2 q 160
2019-12-30 03:30:05 C 10 25 56.51 +18 10 14.2 q 160
2019-12-30 03:34:04 C 10 25 56.26 +18 10 06.3 q 160
2020-01-01 10:18:28 C 10 22 55.24 +16 18 43.1 U I41
2020-01-01 10:19:49 C 10 22 55.15 +16 18 40.3 U I41
2020-01-01 10:53:07 C 10 22 53.00 +16 17 31.3 U I41
2020-01-01 11:55:15 C 10 22 48.96 +16 15 22.3 U I41
2020-01-01 14:49:05 C 10 22 38.39 +16 09 25.8 V T08
2020-01-01 15:06:11 C 10 22 37.27 +16 08 50.0 V T08
2020-01-01 15:19:15 C 10 22 36.39 +16 08 22.5 V T08
2020-01-01 15:35:14 C 10 22 35.34 +16 07 49.2 V T08
2020-01-06 07:16:20 C 10 14 51.86 +12 05 55.6 V 703
2020-01-06 07:23:54 C 10 14 51.21 +12 05 38.8 V 703
2020-01-06 07:31:28 C 10 14 50.59 +12 05 23.1 V 703
2020-01-06 07:39:01 C 10 14 49.99 +12 05 04.7 V 703
2020-01-06 07:52:39 C 10 14 48.87 +12 04 34.5 V G96
2020-01-06 08:00:07 C 10 14 48.26 +12 04 17.7 V G96
2020-01-06 08:07:37 C 10 14 47.63 +12 04 01.1 V G96
2020-01-06 08:15:06 C 10 14 47.02 +12 03 44.4 V G96
2020-01-07 01:40:25 C 10 13 23.08 +11 24 24.1 V 160
2020-01-07 01:43:54 C 10 13 22.77 +11 24 16.0 V 160
2020-01-07 01:47:24 C 10 13 22.45 +11 24 07.8 V 160