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
1998-12-15 10:55:03 C 06 54 05.16 +16 30 02.0 17.5 a 704
1998-12-15 11:16:17 C 06 54 05.58 +16 30 49.0 18.2 a 704
1998-12-15 11:37:35 C 06 54 06.13 +16 31 35.7 17.7 a 704
1998-12-15 11:58:49 C 06 54 06.60 +16 32 23.3 a 704
1998-12-15 12:20:06 C 06 54 07.02 +16 33 09.9 18.0 a 704
1998-12-16 22:02:00 C 06 55 03.29 +17 51 49.2 611
1998-12-16 22:05:09 C 06 55 03.34 +17 51 56.5 611
1998-12-17 02:26:51 C 06 55 08.85 +18 02 41.9 046
1998-12-17 02:28:14 C 06 55 08.84 +18 02 45.6 046
1998-12-17 02:29:38 C 06 55 08.82 +18 02 49.2 046
1998-12-17 02:33:29 C 06 55 09.03 +18 02 57.4 046
1998-12-17 02:35:05 C 06 55 09.03 +18 03 02.4 046
1998-12-17 07:03:12 C 06 55 17.56 +18 14 17.3 18.9 a 704
1998-12-17 07:36:39 C 06 55 18.21 +18 15 41.3 a 704
1998-12-17 08:09:59 C 06 55 18.83 +18 17 06.6 18.3 a 704
1998-12-17 08:43:17 C 06 55 19.54 +18 18 30.7 18.1 a 704
1998-12-17 08:45:15 C 06 55 19.96 +18 18 36.3 z 670
1998-12-17 08:55:14 C 06 55 20.08 +18 18 59.6 z 670
1998-12-17 09:13:14 C 06 55 20.51 +18 19 46.5 z 670
1998-12-17 09:16:27 C 06 55 20.14 +18 19 52.3 18.1 a 704
1998-12-17 09:19:29 C 06 55 20.56 +18 20 01.4 z 670
1998-12-17 09:40:14 C 06 55 21.03 +18 20 55.3 z 670
1998-12-17 09:46:53 C 06 55 20.73 +18 21 10.1 17.7 a 704
1998-12-17 10:19:31 C 06 55 21.26 +18 22 31.8 19.6 a 704
1998-12-17 10:52:15 C 06 55 22.21 +18 23 53.7 18.4 a 704
1998-12-17 11:25:02 C 06 55 22.82 +18 25 16.9 18.4 a 704
1998-12-17 11:57:42 C 06 55 23.34 +18 26 40.4 19.6 a 704
1998-12-17 12:52:31 C 06 55 27.76 +18 28 59.2 z 402
1998-12-17 12:54:31 C 06 55 27.80 +18 29 04.4 z 402
1998-12-17 12:56:31 C 06 55 27.84 +18 29 09.5 z 402
1998-12-17 20:09:25 C 06 55 39.56 +18 47 38.1 540
1998-12-17 20:11:21 C 06 55 39.60 +18 47 43.3 540
1998-12-17 20:13:12 C 06 55 39.70 +18 47 47.5 540
1998-12-17 20:15:02 C 06 55 39.74 +18 47 53.8 540
1998-12-17 21:03:04 C 06 55 40.81 +18 49 58.6 046
1998-12-17 21:04:28 C 06 55 40.84 +18 50 02.4 046
1998-12-17 21:06:17 C 06 55 40.89 +18 50 07.1 046
1998-12-17 22:32:50 C 06 55 43.00 +18 53 56.1 z 468
1998-12-17 22:45:30 C 06 55 43.29 +18 54 29.6 z 468
1998-12-18 00:18:55 C 06 55 45.00 +18 58 34.4 118
1998-12-18 00:23:20 C 06 55 45.10 +18 58 45.6 118
1998-12-18 00:33:21 C 06 55 45.27 +18 59 12.2 118
1998-12-18 03:25:38 C 06 55 49.18 +19 06 44.5 557
1998-12-18 03:27:00 C 06 55 49.22 +19 06 48.1 557
1998-12-18 03:28:21 C 06 55 49.23 +19 06 52.0 557
1998-12-18 03:29:41 C 06 55 49.26 +19 06 55.5 557
1998-12-18 04:59:26 C 06 55 53.85 +19 11 00.3 734
1998-12-18 05:09:30 C 06 55 54.00 +19 11 27.6 734
1998-12-18 05:15:12 C 06 55 54.16 +19 11 42.8 734
1998-12-18 14:29:24 C 06 56 09.13 +19 36 42.8 z 402