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
2023-01-15 06:46:46 C 03 24 27.530 +53 05 41.96 V T05
2023-01-15 06:55:23 C 03 24 24.118 +53 06 16.06 V T05
2023-01-15 07:10:24 C 03 24 18.103 +53 07 15.42 V T05
2023-01-19 07:35:23 C 02 42 51.545 +59 04 19.09 V T05
2023-01-19 07:40:49 C 02 42 48.833 +59 04 36.98 V T05
2023-01-19 08:10:18 C 02 42 34.054 +59 06 13.72 V T05
2023-01-23 05:43:00 C 01 52 18.967 +63 43 29.50 V T05
2023-01-23 05:48:15 C 01 52 15.758 +63 43 42.38 V T05
2023-01-23 05:58:41 C 01 52 09.312 +63 44 07.80 V T05
2023-01-23 06:13:05 C 01 52 00.437 +63 44 43.08 V T05
2023-01-31 20:44:58 C 23 34 30.84 +68 25 54.7 X L63
2023-01-31 21:04:44 C 23 34 17.52 +68 25 57.2 X L63
2023-01-31 21:20:40 C 23 34 06.88 +68 25 59.3 X L63
2023-04-05 19:44:29 S 18 43 55.03 +34 41 48.7 L C51
2023-04-05 22:51:30 S 18 43 46.52 +34 38 00.1 L C51
2023-04-05 22:51:42 S 18 43 46.52 +34 38 00.2 L C51
2023-04-06 00:25:12 S 18 43 42.26 +34 36 06.3 L C51
2023-04-06 03:32:25 S 18 43 33.74 +34 32 17.7 L C51
2023-04-06 05:05:57 S 18 43 29.47 +34 30 23.4 L C51
2023-04-06 06:39:28 S 18 43 25.19 +34 28 29.1 L C51
2023-04-06 08:13:10 S 18 43 20.91 +34 26 35.2 L C51
2023-04-06 09:46:41 S 18 43 16.63 +34 24 41.0 L C51
2023-04-06 11:20:23 S 18 43 12.32 +34 22 46.7 L C51
2023-04-06 12:53:53 S 18 43 08.02 +34 20 52.5 L C51
2023-04-06 19:08:09 S 18 42 50.77 +34 13 15.8 L C51
2023-04-06 19:08:20 S 18 42 50.75 +34 13 16.1 L C51
2023-04-25 12:45:50 C 18 16 00.108 +24 40 08.18 V T05
2023-04-25 12:48:27 C 18 16 00.012 +24 40 03.22 V T05
2023-04-25 12:52:25 C 18 15 59.549 +24 39 58.72 V T05
2023-04-25 13:00:17 C 18 15 59.016 +24 39 46.84 V T05
2023-04-26 10:46:17 C 18 14 17.873 +24 09 14.62 V G96
2023-04-26 10:53:49 C 18 14 17.243 +24 09 04.10 V G96
2023-04-26 11:01:21 C 18 14 16.613 +24 08 53.45 V G96
2023-04-26 11:08:53 C 18 14 15.983 +24 08 42.94 V G96
2023-05-14 09:47:10 C 17 34 52.410 +12 45 41.40 V G96
2023-05-14 09:54:32 C 17 34 51.625 +12 45 28.55 V G96
2023-05-14 10:01:55 C 17 34 50.844 +12 45 15.55 V G96
2023-05-14 10:09:19 C 17 34 50.056 +12 45 02.70 V G96
2023-05-18 17:30:45 C 17 24 24.00 +09 42 57.0 V D29
2023-05-18 17:51:07 C 17 24 21.85 +09 42 21.1 V D29
2023-05-21 10:00:31 C 17 17 54.841 +07 48 04.28 V G96
2023-05-21 10:07:54 C 17 17 54.060 +07 47 51.00 V G96
2023-05-21 10:15:16 C 17 17 53.304 +07 47 37.93 V G96
2023-05-21 10:22:38 C 17 17 52.544 +07 47 24.97 V G96
2023-05-28 00:08:54 C 17 02 37.025 +03 08 59.86 V M22
2023-05-28 00:13:40 C 17 02 36.554 +03 08 52.51 V M22
2023-05-28 00:21:04 C 17 02 35.839 +03 08 39.12 V M22
2023-05-28 01:12:47 C 17 02 30.869 +03 07 09.62 V M22
2023-05-29 08:37:08 C 16 59 38.360 +02 12 36.58 V 703
2023-05-29 08:44:41 C 16 59 37.612 +02 12 24.23 V 703