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
2022-12-04 15:48:03 C 05 52 31.718 +06 43 38.86 V P07
2022-12-04 17:20:22 C 05 52 28.080 +06 45 00.83 V P07
2022-12-12 18:36:12 C 05 43 14.02 +10 26 40.9 V D29
2022-12-12 18:56:34 C 05 43 12.67 +10 27 10.6 V D29
2022-12-12 19:16:56 C 05 43 11.33 +10 27 40.0 V D29
2022-12-13 11:05:12 C 05 42 12.455 +10 51 14.57 U F51
2022-12-13 11:16:07 C 05 42 11.680 +10 51 31.13 U F51
2022-12-13 11:27:31 C 05 42 10.877 +10 51 48.33 U F51
2022-12-13 15:28:25 C 05 41 55.94 +10 57 50.4 V D29
2022-12-13 15:48:47 C 05 41 54.50 +10 58 21.6 V D29
2022-12-13 16:09:08 C 05 41 53.06 +10 58 53.0 V D29
2022-12-14 05:24:34 C 05 41 00.288 +11 19 57.40 V W68
2022-12-14 05:29:08 C 05 40 59.942 +11 20 04.67 V W68
2022-12-14 05:36:44 C 05 40 59.388 +11 20 16.69 V W68
2022-12-14 05:51:43 C 05 40 58.291 +11 20 40.31 V W68
2022-12-17 06:53:41 C 05 35 36.776 +13 26 41.78 V G96
2022-12-17 07:01:41 C 05 35 36.085 +13 26 56.83 V G96
2022-12-17 07:09:40 C 05 35 35.390 +13 27 11.88 V G96
2022-12-17 07:17:40 C 05 35 34.699 +13 27 26.93 V G96
2022-12-20 13:45:14 C 05 28 42.778 +16 09 39.38 V P07
2022-12-20 15:49:48 C 05 28 29.887 +16 14 20.80 V P07
2022-12-20 16:41:10 C 05 28 24.526 +16 16 16.54 V P07
2022-12-20 17:40:36 C 05 28 18.365 +16 18 30.64 V P07
2022-12-20 18:38:29 C 05 28 12.379 +16 20 40.85 V P07
2022-12-25 05:56:41 C 05 16 33.089 +20 53 02.36 V G96
2022-12-25 06:04:47 C 05 16 32.027 +20 53 25.12 V G96
2022-12-25 06:12:50 C 05 16 30.994 +20 53 48.16 V G96
2022-12-25 06:20:54 C 05 16 29.942 +20 54 10.87 V G96
2022-12-29 12:48:02 C 05 02 35.69 +26 11 41.5 V D29
2022-12-29 13:08:24 C 05 02 32.45 +26 12 50.7 V D29
2022-12-29 13:28:45 C 05 02 29.18 +26 14 00.0 V D29
2022-12-30 01:35:32 C 05 00 37.62 +26 55 51.8 q 834
2022-12-30 02:19:20 C 05 00 30.37 +26 58 24.4 q 834
2023-01-01 20:54:16 C 04 49 24.11 +30 57 54.1 X L99
2023-01-01 20:59:16 C 04 49 23.19 +30 58 13.1 X L99
2023-01-01 21:04:16 C 04 49 22.32 +30 58 30.4 X L99
2023-01-04 18:15:34 C 04 36 03.40 +35 29 17.1 V M26
2023-01-04 18:21:44 C 04 36 02.05 +35 29 42.5 V M26
2023-01-04 18:27:53 C 04 36 00.73 +35 30 07.6 V M26
2023-01-05 20:20:24 C 04 30 27.17 +37 15 53.8 V 130
2023-01-05 20:21:57 C 04 30 26.82 +37 16 00.2 V 130
2023-01-05 20:23:51 C 04 30 26.39 +37 16 08.0 V 130
2023-01-05 20:25:47 C 04 30 25.94 +37 16 16.3 V 130
2023-01-06 18:05:16 C 04 25 33.57 +38 46 13.8 Z L74
2023-01-06 18:07:01 C 04 25 33.14 +38 46 21.4 Z L74
2023-01-06 18:08:46 C 04 25 32.74 +38 46 28.0 Z L74
2023-01-15 00:58:52 B 03 26 39.30 +52 42 16.1 V H89
2023-01-15 02:16:13 B 03 26 09.16 +52 47 24.0 V H89
2023-01-15 03:55:16 B 03 25 30.70 +52 53 54.4 V H89
2023-01-15 06:42:10 C 03 24 29.369 +53 05 23.82 V T05