452313 (1998 XR16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5816518259 ± 1.24e-08
Semi-major axis (a)2.2722765989 AU ± 1.13e-09
Inclination (i)20.49663761° ± 5.31e-06
Long. of Asc. Node (Ω)91.47046587° ± 3.79e-06
Arg. of Perihelion (ω)68.57586705° ± 7.15e-06
Mean Anomaly (M)287.09129742° ± 2.30e-06
Mean Motion (n)0.2877534123°/day ± 2.15e-10
Perihelion dist (q)0.95060277 AU ± 2.82e-08
Aphelion dist (Q)3.59395043 AU ± 2.83e-08
Orbital Period3.42524621 yr ± 2.55e-09
Physical Parameters
H (abs. magnitude)18.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.300″
Uncertainty0
Orbit TypeApollo
MOID0.160215 AU
Observations Used327
Oppositions18
Arc Total1998-2023
First Observation Used1998-12-15
Last Observation Used2023-06-13
Observations (361)
Date Type RA Dec Mag Band Observatory
2023-05-29 08:52:16 C 16 59 36.874 +02 12 10.84 V 703
2023-06-08 15:05:12 C 16 39 40.07 -04 24 34.2 V D29
2023-06-08 15:45:55 C 16 39 37.04 -04 25 34.3 V D29
2023-06-10 08:50:57 C 16 36 48.175 -05 25 40.84 V G96
2023-06-10 08:56:21 C 16 36 47.794 -05 25 48.47 V G96
2023-06-10 09:01:43 C 16 36 47.419 -05 25 56.17 V G96
2023-06-10 09:07:07 C 16 36 47.084 -05 26 03.77 V G96
2023-06-13 04:10:30 C 16 32 33.511 -06 59 44.16 V W68
2023-06-13 04:15:04 C 16 32 33.228 -06 59 49.88 V W68
2023-06-13 04:25:39 C 16 32 32.542 -07 00 05.08 V W68
2023-06-13 04:39:30 C 16 32 31.646 -07 00 23.83 V W68