53426 (1999 SL5)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5397322386 ± 5.24e-09
Semi-major axis (a)1.9222577034 AU ± 4.98e-10
Inclination (i)22.76527761° ± 6.57e-07
Long. of Asc. Node (Ω)239.03511305° ± 1.98e-06
Arg. of Perihelion (ω)43.41882174° ± 3.15e-06
Mean Anomaly (M)315.75994878° ± 1.08e-06
Mean Motion (n)0.3698238038°/day ± 1.44e-10
Perihelion dist (q)0.88475325 AU ± 1.01e-08
Aphelion dist (Q)2.95976216 AU ± 1.01e-08
Orbital Period2.66512397 yr ± 1.03e-09
Physical Parameters
H (abs. magnitude)17.19
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.031″
Uncertainty0
Orbit TypeApollo
MOID0.027525 AU
Observations Used1119
Gaia Obs Used30
Oppositions10
Arc Total1999-2024
First Observation Used1999-09-28
Last Observation Used2024-01-11
Observations (1211)
Date Type RA Dec Mag Band Observatory
2023-12-04 03:42:11 C 00 08 46.072 +15 45 38.59 V G96
2023-12-04 03:50:17 C 00 08 46.630 +15 45 34.20 V G96
2023-12-04 03:58:24 C 00 08 47.166 +15 45 29.41 V G96
2024-01-06 05:40:11 C 01 02 37.360 +12 14 02.48 X F51
2024-01-06 06:00:43 C 01 02 38.699 +12 14 01.02 X F51
2024-01-06 06:17:27 C 01 02 39.798 +12 13 59.93 X F51
2024-01-06 06:34:14 C 01 02 40.894 +12 13 58.89 X F51
2024-01-11 01:40:57 C 01 10 22.051 +12 09 13.61 V G96
2024-01-11 01:49:06 C 01 10 22.580 +12 09 13.14 V G96
2024-01-11 01:57:15 C 01 10 23.077 +12 09 12.78 V G96
2024-01-11 02:05:24 C 01 10 23.639 +12 09 12.82 V G96