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
1998-12-29 22:20:34 C 07 05 55.01 +37 50 02.8 046
1998-12-29 22:21:50 C 07 05 55.08 +37 50 10.1 046
1998-12-29 22:23:28 C 07 05 55.13 +37 50 19.1 046
1999-01-03 17:56:23 C 07 14 11.07 +49 52 29.9 540
1999-01-03 17:58:38 C 07 14 11.40 +49 52 45.6 540
1999-01-05 17:23:00 C 07 19 33.50 +55 31 02.2 540
1999-01-05 17:25:26 C 07 19 33.81 +55 31 20.3 540
1999-01-05 17:27:23 C 07 19 34.09 +55 31 35.2 540
1999-01-05 17:29:19 C 07 19 34.33 +55 31 49.3 540
1999-01-05 18:00:44 C 07 19 38.60 +55 35 40.9 z 151
1999-01-05 18:07:05 C 07 19 39.36 +55 36 28.8 z 151
1999-01-05 18:11:13 C 07 19 39.84 +55 36 59.7 z 151
1999-01-05 18:16:29 C 07 19 40.64 +55 37 38.2 z 151
1999-01-06 03:29:17 C 07 20 49.34 +56 45 45.4 557
1999-01-06 03:31:19 C 07 20 49.61 +56 46 00.2 557
1999-01-06 03:36:00 C 07 20 50.24 +56 46 34.3 557
1999-01-06 18:29:19 C 07 23 14.02 +58 37 30.4 540
1999-01-06 18:31:29 C 07 23 14.31 +58 37 47.3 540
1999-01-06 18:33:29 C 07 23 14.67 +58 38 02.4 540
1999-01-06 18:35:29 C 07 23 14.95 +58 38 17.6 540
1999-01-09 14:58:24 C 07 38 21.71 +67 19 22.2 z 355
1999-01-09 15:00:08 C 07 38 22.16 +67 19 35.9 z 355
1999-01-09 15:03:44 C 07 38 23.21 +67 20 03.2 z 355
1999-01-13 10:47:34 C 08 32 36.62 +78 34 20.6 16.8 a 704
1999-01-13 11:03:31 C 08 32 53.91 +78 36 07.1 a 704
1999-01-13 11:19:33 C 08 33 11.84 +78 37 54.1 17.1 a 704
1999-01-13 11:35:25 C 08 33 28.84 +78 39 39.1 17.0 a 704
1999-01-13 11:51:14 C 08 33 46.57 +78 41 23.5 a 704
1999-01-20 18:51:45 C 16 55 47.60 +79 14 34.5 540
1999-01-20 18:54:25 C 16 55 50.50 +79 14 20.0 540
1999-01-20 18:57:04 C 16 55 53.12 +79 14 07.2 540
1999-01-20 19:05:24 C 16 56 01.50 +79 13 24.2 540
1999-01-21 20:26:24 C 17 15 58.15 +77 04 47.6 z 151
1999-01-21 20:34:22 C 17 16 03.76 +77 04 07.1 z 151
1999-01-21 20:39:35 C 17 16 07.37 +77 03 43.8 z 151
1999-01-21 20:45:51 C 17 16 11.71 +77 03 09.3 z 151
1999-04-14 10:55:51 C 18 41 35.96 +18 53 14.4 i 693
1999-04-14 10:58:46 C 18 41 35.90 +18 53 11.3 i 693
1999-04-14 11:01:35 C 18 41 35.79 +18 53 08.4 i 693
1999-04-15 11:52:01 C 18 41 02.01 +18 30 12.2 i 693
1999-04-15 11:54:52 C 18 41 01.93 +18 30 09.2 i 693
1999-04-15 11:57:40 C 18 41 01.86 +18 30 07.0 i 693
1999-05-17 01:03:25 C 17 56 39.99 +04 15 51.8 d 046
1999-05-17 01:14:07 C 17 56 39.00 +04 15 38.1 d 046
1999-05-24 17:57:12 C 17 39 44.16 +00 00 35.6 422
1999-05-24 17:58:04 C 17 39 44.12 +00 00 34.6 422
2005-10-10 12:19:47 C 08 18 44.83 +14 29 04.8 d 291
2005-10-10 12:25:55 C 08 18 45.76 +14 29 03.2 d 291
2005-10-10 12:31:50 C 08 18 46.59 +14 29 03.6 d 291
2015-10-10 12:42:50 C 04 01 22.844 -06 46 35.48 L F51