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
2009-03-01 03:30:05 C 05 01 41.44 +17 37 00.5 r G96
2009-03-01 03:39:16 C 05 01 42.45 +17 36 50.8 r G96
2009-03-01 03:48:40 C 05 01 43.50 +17 36 41.0 r G96
2009-03-01 03:57:56 C 05 01 44.54 +17 36 31.3 r G96
2010-12-05 12:00:51 C 11 05 18.96 +10 18 29.3 r G96
2010-12-05 12:09:14 C 11 05 19.42 +10 18 15.7 r G96
2010-12-05 12:17:35 C 11 05 19.89 +10 18 02.4 r G96
2010-12-05 12:25:56 C 11 05 20.32 +10 17 48.8 r G96
2011-01-14 11:54:58 C 11 32 38.58 -19 27 48.6 r 703
2011-01-14 12:05:37 C 11 32 38.58 -19 28 10.2 r 703
2013-05-22 03:10:36 C 15 36 52.14 -70 24 22.7 u 807
2013-05-22 03:14:59 C 15 36 51.58 -70 24 20.1 u 807
2013-05-22 03:23:42 C 15 36 50.32 -70 24 14.6 u 807
2013-05-22 03:28:03 C 15 36 49.67 -70 24 12.1 u 807
2015-06-27 04:37:26 C 20 37 16.04 -33 25 42.9 u 807
2015-06-27 04:41:40 C 20 37 15.69 -33 25 40.5 u 807
2015-06-27 04:46:06 C 20 37 15.31 -33 25 38.2 u 807
2015-06-27 04:50:07 C 20 37 14.97 -33 25 36.2 u 807
2015-06-27 04:54:34 C 20 37 14.60 -33 25 33.7 u 807
2015-07-25 01:50:02 C 19 28 29.92 -24 12 58.2 u 807
2015-07-25 01:54:28 C 19 28 29.44 -24 12 53.8 u 807
2015-07-25 01:58:45 C 19 28 28.97 -24 12 49.3 u 807
2015-07-25 02:02:53 C 19 28 28.55 -24 12 45.3 u 807
2015-07-25 02:07:25 C 19 28 28.07 -24 12 40.6 u 807
2015-08-02 00:57:21 C 19 10 25.93 -20 50 33.8 u 807
2015-08-02 01:00:45 C 19 10 25.61 -20 50 29.8 u 807
2015-08-02 01:04:19 C 19 10 25.28 -20 50 26.2 u 807
2015-08-02 01:07:33 C 19 10 24.99 -20 50 22.8 u 807
2015-08-02 01:11:12 C 19 10 24.68 -20 50 18.9 u 807
2017-08-04 11:07:04 C 23 09 04.311 +30 10 06.21 L F51
2017-08-04 11:23:01 C 23 09 03.566 +30 10 32.30 L F51
2017-08-04 11:39:00 C 23 09 02.791 +30 10 58.20 L F51
2017-08-04 11:54:59 C 23 09 02.023 +30 11 24.07 L F51
2017-08-18 00:10:41 C 22 48 08.78 +38 30 23.2 19.7 c 122
2017-08-18 00:24:52 C 22 48 07.51 +38 30 43.6 19.8 c 122
2017-08-18 00:37:26 C 22 48 06.37 +38 31 01.7 19.8 c 122
2017-09-21 19:37:22 C 21 15 19.10 +48 56 48.1 Q K87
2017-09-21 19:42:57 C 21 15 18.54 +48 56 48.1 Q K87
2017-09-21 20:49:50 C 21 15 11.71 +48 56 51.5 Q K87
2017-12-30 01:30:29 C 23 32 30.08 +38 16 38.1 U G96
2017-12-30 01:37:56 C 23 32 31.31 +38 16 36.5 U G96
2017-12-30 01:45:24 C 23 32 32.55 +38 16 34.4 U G96
2017-12-30 01:52:52 C 23 32 33.78 +38 16 31.9 U G96
2018-01-07 05:26:54 C 00 06 10.226 +37 16 02.07 U F51
2018-01-07 05:43:22 C 00 06 13.064 +37 15 56.25 U F51
2018-01-07 05:59:47 C 00 06 15.887 +37 15 50.45 U F51
2018-01-07 06:16:18 C 00 06 18.731 +37 15 44.61 U F51
2019-10-28 10:14:45 C 09 23 13.90 +49 45 38.3 V G96
2019-10-28 10:27:35 C 09 23 15.38 +49 45 29.1 V G96
2019-10-28 10:36:54 C 09 23 16.43 +49 45 21.0 V G96