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
2020-01-09 01:39:46 C 10 09 18.39 +09 34 14.5 V 160
2020-01-09 01:43:06 C 10 09 18.04 +09 34 06.9 V 160
2020-01-09 01:46:34 C 10 09 17.75 +09 33 58.7 V 160
2020-01-12 01:27:23 C 10 02 32.69 +06 44 53.0 V 160
2020-01-12 01:30:44 C 10 02 32.33 +06 44 44.4 V 160
2020-01-12 01:34:05 C 10 02 32.00 +06 44 36.9 V 160
2020-01-18 12:38:46 C 09 45 26.70 +00 28 52.2 V T05
2020-01-18 12:43:32 C 09 45 26.11 +00 28 40.8 V T05
2020-01-18 12:53:46 C 09 45 24.80 +00 28 16.0 V T05
2020-01-18 13:07:56 C 09 45 23.01 +00 27 41.7 V T05
2020-01-19 08:27:09 C 09 43 03.34 -00 19 13.6 V 703
2020-01-19 08:34:39 C 09 43 02.39 -00 19 31.3 V 703
2020-01-19 08:42:10 C 09 43 01.41 -00 19 49.7 V 703
2020-01-19 08:49:41 C 09 43 00.45 -00 20 08.4 V 703
2020-01-19 12:28:04 C 09 42 33.523 -00 28 52.27 U F51
2020-01-19 12:47:04 C 09 42 31.081 -00 29 38.14 U F51
2020-01-19 13:06:06 C 09 42 28.628 -00 30 24.19 U F51
2020-01-21 11:37:01 C 09 36 40.901 -02 22 09.43 U F52
2020-01-21 11:57:04 C 09 36 38.229 -02 22 57.16 U F52
2020-01-21 12:17:40 C 09 36 35.481 -02 23 46.28 U F52
2020-01-21 12:37:48 C 09 36 32.793 -02 24 34.25 U F52
2020-01-22 11:02:26 C 09 33 41.39 -03 17 43.4 V T05
2020-01-22 11:06:23 C 09 33 40.88 -03 17 52.6 V T05
2020-01-22 11:15:33 C 09 33 39.64 -03 18 14.3 V T05
2020-01-22 11:29:51 C 09 33 37.69 -03 18 47.8 V T05
2020-01-24 07:55:39 C 09 27 50.41 -05 02 26.6 V 703
2020-01-24 08:03:12 C 09 27 49.33 -05 02 43.9 V 703
2020-01-24 08:10:45 C 09 27 48.34 -05 03 01.3 V 703
2020-01-24 08:18:16 C 09 27 47.29 -05 03 18.6 V 703
2020-01-24 11:26:57 C 09 27 22.38 -05 10 27.8 V T08
2020-01-24 11:31:56 C 09 27 21.68 -05 10 39.2 V T08
2020-01-24 11:39:57 C 09 27 20.59 -05 10 57.3 V T08
2020-01-24 11:55:59 C 09 27 18.36 -05 11 34.2 V T08
2020-01-25 13:47:58 C 09 23 51.98 -06 10 22.9 V T05
2020-01-25 13:52:11 C 09 23 51.38 -06 10 32.8 V T05
2020-01-25 14:05:14 C 09 23 49.57 -06 11 01.9 V T05
2020-01-25 14:32:03 C 09 23 45.89 -06 12 02.4 V T05
2020-01-26 11:24:14 C 09 20 59.76 -06 58 38.3 V T05
2020-01-26 11:28:28 C 09 20 59.18 -06 58 47.8 V T05
2020-01-26 11:35:57 C 09 20 58.12 -06 59 04.2 V T05
2020-01-26 11:50:31 C 09 20 56.07 -06 59 36.4 V T05
2020-01-28 10:49:51 C 09 14 37.48 -08 41 20.7 V T08
2020-01-28 10:54:31 C 09 14 36.84 -08 41 31.0 V T08
2020-01-28 11:03:12 C 09 14 35.60 -08 41 49.1 V T08
2020-01-29 07:28:56 C 09 11 50.60 -09 24 38.3 V G96
2020-01-29 07:36:21 C 09 11 49.56 -09 24 53.6 V G96
2020-01-29 07:43:44 C 09 11 48.51 -09 25 08.9 V G96
2020-01-29 07:51:10 C 09 11 47.48 -09 25 24.3 V G96
2020-01-29 10:55:53 C 09 11 22.59 -09 31 41.4 V T05
2020-01-29 10:59:53 C 09 11 22.02 -09 31 50.2 V T05