137099 (1998 YW3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4627875716 ± 4.43e-08
Semi-major axis (a)1.1000660951 AU ± 1.31e-09
Inclination (i)28.79394917° ± 6.31e-06
Long. of Asc. Node (Ω)94.26335985° ± 5.45e-06
Arg. of Perihelion (ω)194.85565384° ± 8.23e-06
Mean Anomaly (M)270.76791849° ± 1.27e-05
Mean Motion (n)0.8542482676°/day ± 1.52e-09
Perihelion dist (q)0.59096918 AU ± 4.87e-08
Aphelion dist (Q)1.60916301 AU ± 4.88e-08
Orbital Period1.15379372 yr ± 2.06e-09
Physical Parameters
H (abs. magnitude)18.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.445″
Uncertainty0
Orbit TypeApollo
MOID0.387599 AU
Observations Used601
Oppositions3
Arc Total1998-2023
First Observation Used1998-12-17
Last Observation Used2023-02-03
Observations (714)
Date Type RA Dec Mag Band Observatory
2022-12-18 23:04:59 C 01 23 29.928 -29 02 42.36 V M22
2022-12-18 23:32:08 C 01 23 32.330 -29 01 17.04 V M22
2022-12-21 02:21:58 C 01 27 58.097 -26 27 14.94 V W68
2022-12-21 02:26:35 C 01 27 58.567 -26 27 01.40 V W68
2022-12-21 02:34:30 C 01 27 59.129 -26 26 37.36 V W68
2022-12-21 02:48:59 C 01 28 00.434 -26 25 54.62 V W68
2022-12-22 03:42:52 C 01 30 06.203 -25 12 54.83 V 703
2022-12-22 03:51:04 C 01 30 06.912 -25 12 31.39 V 703
2022-12-22 03:59:17 C 01 30 07.517 -25 12 08.35 V 703
2022-12-22 04:07:31 C 01 30 08.132 -25 11 43.51 V 703
2023-02-03 02:18:12 C 02 43 22.098 +07 41 38.44 V G96
2023-02-03 02:27:15 C 02 43 22.739 +07 41 49.56 V G96
2023-02-03 02:34:50 C 02 43 23.279 +07 41 58.70 V G96
2023-02-03 02:42:25 C 02 43 23.776 +07 42 07.74 V G96