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
1998-12-18 14:31:24 C 06 56 09.17 +19 36 48.3 z 402
1998-12-18 14:33:24 C 06 56 09.20 +19 36 54.0 z 402
1998-12-19 00:00:39 C 06 56 24.24 +20 03 00.6 z 108
1998-12-19 00:03:19 C 06 56 24.39 +20 03 13.5 z 108
1998-12-21 13:24:52 C 06 58 10.79 +23 11 37.5 422
1998-12-21 13:25:52 C 06 58 10.83 +23 11 41.0 422
1998-12-21 13:27:32 C 06 58 10.87 +23 11 46.9 422
1998-12-21 15:38:30 C 06 58 14.26 +23 18 30.3 360
1998-12-21 15:42:00 C 06 58 14.33 +23 18 42.1 360
1998-12-21 15:45:30 C 06 58 14.40 +23 18 53.8 360
1998-12-22 22:50:56 C 06 59 12.22 +25 07 16.3 z 151
1998-12-22 22:56:46 C 06 59 12.39 +25 07 38.0 z 151
1998-12-22 22:59:13 C 06 59 12.50 +25 07 45.9 z 151
1998-12-22 23:03:38 C 06 59 12.62 +25 08 02.4 z 151
1998-12-23 06:13:14 C 06 59 27.14 +25 34 28.5 z 670
1998-12-23 06:26:45 C 06 59 27.46 +25 35 18.8 z 670
1998-12-23 07:14:45 C 06 59 28.62 +25 38 18.8 z 670
1998-12-25 18:16:49 C 07 01 31.73 +29 35 51.3 540
1998-12-25 18:18:46 C 07 01 31.82 +29 35 59.8 540
1998-12-25 18:20:38 C 07 01 31.87 +29 36 08.3 540
1998-12-26 00:06:45 C 07 01 42.92 +30 01 37.2 z 151
1998-12-26 00:13:39 C 07 01 43.06 +30 02 05.7 z 151
1998-12-26 00:16:32 C 07 01 43.16 +30 02 19.7 z 151
1998-12-26 00:21:57 C 07 01 43.30 +30 02 43.7 z 151
1998-12-26 22:16:59 C 07 02 35.83 +31 42 16.8 a 130
1998-12-26 22:27:29 C 07 02 36.19 +31 43 06.3 a 130
1998-12-26 22:49:15 C 07 02 36.82 +31 44 48.1 a 130
1998-12-26 22:59:39 C 07 02 37.52 +31 45 40.2 z 620
1998-12-26 23:03:29 C 07 02 37.29 +31 45 54.8 a 130
1998-12-27 00:15:20 C 07 02 39.82 +31 51 36.1 z 620
1998-12-27 00:19:49 C 07 02 39.94 +31 51 56.7 z 620
1998-12-27 00:29:10 C 07 02 40.20 +31 52 41.4 z 620
1998-12-27 14:56:03 C 07 03 16.80 +33 01 48.1 z 402
1998-12-27 14:58:04 C 07 03 16.86 +33 01 58.0 z 402
1998-12-27 15:00:04 C 07 03 16.92 +33 02 07.6 z 402
1998-12-28 16:27:21 C 07 04 24.23 +35 09 57.1 z 402
1998-12-28 16:29:22 C 07 04 24.31 +35 10 07.3 z 402
1998-12-28 16:31:22 C 07 04 24.37 +35 10 17.9 z 402
1998-12-28 16:33:29 C 07 04 24.59 +35 10 30.1 360
1998-12-28 16:38:15 C 07 04 24.76 +35 10 54.7 360
1998-12-28 16:40:45 C 07 04 24.84 +35 11 07.6 360
1998-12-28 21:07:04 C 07 04 39.93 +35 34 01.5 z 151
1998-12-28 21:22:41 C 07 04 40.39 +35 35 21.9 z 151
1998-12-28 21:25:31 C 07 04 40.49 +35 35 38.6 z 151
1998-12-28 21:29:51 C 07 04 40.69 +35 36 01.1 z 151
1998-12-29 18:52:11 C 07 05 45.73 +37 30 38.8 z 151
1998-12-29 18:57:44 C 07 05 45.97 +37 31 11.0 z 151
1998-12-29 19:09:21 C 07 05 46.55 +37 32 14.4 z 151
1998-12-29 19:15:05 C 07 05 46.86 +37 32 47.2 z 151
1998-12-29 22:18:58 C 07 05 54.94 +37 49 54.0 046