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
2000-02-02 13:08:44 C 06 25 51.13 +16 11 50.0 360
2000-02-03 03:50:41 C 06 25 23.37 +15 36 19.5 18.1 c 704
2000-02-03 04:11:58 C 06 25 22.62 +15 35 28.7 18.6 c 704
2000-02-03 04:32:40 C 06 25 21.83 +15 34 38.9 18.4 c 704
2000-02-03 04:53:19 C 06 25 21.12 +15 33 49.5 18.2 c 704
2000-02-03 05:13:52 C 06 25 20.34 +15 33 00.7 18.3 c 704
2000-02-04 11:21:09 C 06 24 29.89 +14 22 54.6 m 422
2000-02-04 11:21:59 C 06 24 29.87 +14 22 53.0 m 422
2000-02-04 11:23:02 C 06 24 29.82 +14 22 51.0 m 422
2000-03-15 10:12:12 C 06 47 33.89 -04 50 31.5 413
2000-03-15 10:15:55 C 06 47 34.09 -04 50 33.6 413
2001-09-20 14:49:50 C 08 33 20.64 +34 27 46.6 c 568
2001-09-20 14:51:56 C 08 33 20.93 +34 27 44.7 c 568
2006-07-06 07:50:14 C 21 33 31.66 -13 58 42.8 19.9 c H55
2006-07-06 07:54:47 C 21 33 31.34 -13 58 37.8 19.9 c H55
2006-07-06 07:59:26 C 21 33 31.12 -13 58 34.2 20.0 c H55
2006-07-21 07:17:54 C 21 05 40.16 -08 11 03.5 r 703
2006-07-21 07:27:58 C 21 05 39.22 -08 10 53.9 r 703
2006-07-21 07:38:01 C 21 05 38.58 -08 10 45.0 r 703
2006-07-21 07:48:05 C 21 05 37.28 -08 10 32.7 r 703
2006-07-23 22:33:59 C 20 59 34.99 -07 06 36.9 r A13
2006-07-23 23:01:45 C 20 59 32.17 -07 06 08.4 r A13
2006-07-23 23:29:52 C 20 59 29.35 -07 05 40.0 r A13
2006-07-25 04:56:33 C 20 56 34.49 -06 35 35.3 19.1 c H55
2006-07-25 05:03:35 C 20 56 33.60 -06 35 27.6 19.2 c H55
2006-07-25 05:09:05 C 20 56 32.99 -06 35 21.3 19.1 c H55
2006-07-25 05:14:35 C 20 56 32.45 -06 35 15.9 19.2 c H55
2006-07-25 05:20:05 C 20 56 31.88 -06 35 10.6 19.2 c H55
2006-07-26 21:48:04 C 20 52 27.10 -05 53 55.1 r A13
2006-07-26 22:17:24 C 20 52 23.95 -05 53 26.3 r A13
2006-07-26 22:46:54 C 20 52 20.91 -05 52 55.4 r A13
2008-07-24 08:44:58 C 00 27 40.71 +33 31 43.6 o H55
2008-07-24 08:55:01 C 00 27 41.09 +33 31 59.9 o H55
2008-07-24 09:06:55 C 00 27 41.59 +33 32 20.1 o H55
2008-08-07 00:24:56 C 00 40 02.91 +42 46 55.6 c B67
2008-08-07 00:38:23 C 00 40 03.27 +42 47 18.9 c B67
2008-08-07 00:51:51 C 00 40 03.64 +42 47 42.1 c B67
2008-08-14 07:34:31 C 00 44 42.90 +47 49 55.1 o H55
2008-08-14 07:39:41 C 00 44 43.15 +47 50 04.8 o H55
2008-08-14 07:44:51 C 00 44 43.32 +47 50 13.3 o H55
2008-12-13 17:18:53 C 23 47 01.66 +65 23 45.2 o A17
2008-12-13 17:36:19 C 23 47 05.44 +65 23 25.5 o A17
2008-12-13 17:53:45 C 23 47 09.32 +65 23 08.6 o A17
2008-12-26 19:50:52 C 00 59 02.16 +58 41 48.4 o 130
2008-12-26 19:55:42 C 00 59 03.14 +58 41 40.8 o 130
2008-12-26 20:00:38 C 00 59 04.13 +58 41 33.1 o 130
2009-01-22 17:47:11 C 03 02 57.35 +39 27 09.3 v B15
2009-01-22 17:50:49 C 03 02 57.92 +39 27 02.8 v B15
2009-01-22 17:56:52 C 03 02 58.88 +39 26 51.8 v B15
2009-01-22 18:02:28 C 03 02 59.76 +39 26 41.3 v B15