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
2015-10-10 12:58:45 C 04 01 22.595 -06 46 40.48 L F51
2015-10-10 13:14:45 C 04 01 22.356 -06 46 45.91 L F51
2015-10-10 13:30:44 C 04 01 22.105 -06 46 51.02 L F51
2015-10-11 07:53:57 C 04 01 06.28 -06 52 56.7 u H21
2015-10-11 08:15:56 C 04 01 05.91 -06 53 03.8 u H21
2015-10-11 08:28:29 C 04 01 05.70 -06 53 08.1 u H21
2015-10-12 08:36:31 C 04 00 42.56 -07 01 04.8 u H21
2015-10-12 08:57:07 C 04 00 42.21 -07 01 11.4 u H21
2015-10-12 09:16:28 C 04 00 41.86 -07 01 18.0 u H21
2015-10-12 09:27:46 C 04 00 41.67 -07 01 21.6 u H21
2015-10-21 10:54:59 C 03 55 23.881 -08 12 25.27 L F51
2015-10-21 11:10:56 C 03 55 23.331 -08 12 30.17 L F51
2015-10-21 11:26:51 C 03 55 22.795 -08 12 35.49 L F51
2015-10-21 11:42:48 C 03 55 22.253 -08 12 40.47 L F51
2015-10-22 12:13:29 C 03 54 33.556 -08 20 25.13 L F51
2015-10-22 12:29:22 C 03 54 32.974 -08 20 30.24 L F51
2015-10-22 13:01:05 C 03 54 31.839 -08 20 39.96 L F51
2015-11-18 09:19:14 C 03 18 43.892 -10 24 09.58 L F51
2015-11-18 09:21:05 C 03 18 43.754 -10 24 09.78 L F51
2015-11-18 09:35:55 C 03 18 42.645 -10 24 09.64 L F51
2015-11-18 09:37:46 C 03 18 42.502 -10 24 09.67 L F51
2015-11-18 09:52:37 C 03 18 41.398 -10 24 09.65 L F51
2015-11-18 09:54:27 C 03 18 41.262 -10 24 09.59 L F51
2015-11-18 10:11:07 C 03 18 40.013 -10 24 09.38 L F51
2015-11-28 03:34:56 C 03 01 21.94 -09 58 29.2 u 807
2015-11-28 03:38:21 C 03 01 21.69 -09 58 28.3 u 807
2015-11-28 03:41:56 C 03 01 21.42 -09 58 27.6 u 807
2015-11-28 03:45:10 C 03 01 21.21 -09 58 26.9 u 807
2015-11-28 03:48:45 C 03 01 20.92 -09 58 26.1 u 807
2015-12-02 05:46:42 C 02 54 08.22 -09 32 53.7 q 703
2015-12-02 06:04:00 C 02 54 07.00 -09 32 48.9 q 703
2015-12-09 07:28:42 C 02 42 20.986 -08 27 09.78 L F51
2015-12-09 07:46:07 C 02 42 19.798 -08 27 01.71 L F51
2015-12-09 08:03:40 C 02 42 18.602 -08 26 53.56 L F51
2015-12-09 08:21:08 C 02 42 17.406 -08 26 45.38 L F51
2016-01-03 02:08:39 C 02 15 56.96 -01 39 02.7 u 807
2016-01-03 02:18:12 C 02 15 56.77 -01 38 54.5 u 807
2016-01-03 02:27:49 C 02 15 56.57 -01 38 46.6 u 807
2016-01-03 06:22:20 C 02 15 52.113 -01 35 31.06 L F51
2016-01-03 06:37:15 C 02 15 51.784 -01 35 18.19 L F51
2016-01-03 06:52:06 C 02 15 51.454 -01 35 05.19 L F51
2016-01-03 07:06:59 C 02 15 51.130 -01 34 52.53 L F51
2016-01-13 01:05:47 S 02 13 36.11 +01 59 22.4 L C51
2016-01-13 04:14:38 S 02 13 36.30 +02 02 23.9 L C51
2016-01-13 07:23:31 S 02 13 36.41 +02 05 26.3 L C51
2016-01-13 10:32:12 S 02 13 36.55 +02 08 26.6 L C51
2016-01-13 12:06:38 S 02 13 36.74 +02 09 57.2 L C51
2016-01-13 13:41:04 S 02 13 36.79 +02 11 29.2 L C51
2016-01-13 15:15:30 S 02 13 36.80 +02 13 01.4 L C51
2016-01-13 18:24:22 S 02 13 37.08 +02 16 02.6 L C51