480823 (1998 YW5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6203017857 ± 3.92e-08
Semi-major axis (a)1.2401854961 AU ± 1.91e-09
Inclination (i)8.34063091° ± 3.10e-06
Long. of Asc. Node (Ω)219.76914439° ± 2.33e-05
Arg. of Perihelion (ω)355.16832191° ± 2.64e-05
Mean Anomaly (M)118.78001424° ± 7.12e-06
Mean Motion (n)0.7136451263°/day ± 1.65e-09
Perihelion dist (q)0.47089622 AU ± 4.86e-08
Aphelion dist (Q)2.00947477 AU ± 4.87e-08
Orbital Period1.38111541 yr ± 3.19e-09
Physical Parameters
H (abs. magnitude)20.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.242″
Uncertainty0
Orbit TypeApollo
MOID0.128439 AU
Observations Used137
Oppositions7
Arc Total1998-2025
First Observation Used1998-12-19
Last Observation Used2025-10-12
Observations (159)
Date Type RA Dec Mag Band Observatory
2025-09-21 06:45:24 C 23 14 16.084 +13 38 43.40 V G96
2025-09-25 04:28:17 C 23 05 45.596 +11 22 28.27 V G96
2025-09-25 04:35:43 C 23 05 44.956 +11 22 17.80 V G96
2025-09-25 04:43:10 C 23 05 44.300 +11 22 07.50 V G96
2025-09-25 04:50:37 C 23 05 43.688 +11 21 56.99 V G96
2025-10-12 07:52:39 C 22 44 35.144 +03 55 55.90 X F51
2025-10-12 08:11:45 C 22 44 34.608 +03 55 40.74 X F51
2025-10-12 09:00:30 C 22 44 33.250 +03 55 01.98 X F51
2025-10-12 09:18:59 C 22 44 32.755 +03 54 47.04 X F51