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
2016-01-14 00:42:07 S 02 13 37.80 +02 22 10.0 L C51
2016-05-31 04:22:25 C 10 52 13.95 +38 17 38.9 q 703
2016-05-31 04:44:15 C 10 52 19.27 +38 16 54.3 q 703
2022-10-27 10:26:47 C 05 49 05.448 +02 44 59.10 V V00
2022-10-27 10:33:51 C 05 49 05.650 +02 44 58.81 V V00
2022-10-27 10:40:54 C 05 49 05.855 +02 44 58.52 V V00
2022-10-27 10:47:58 C 05 49 06.056 +02 44 58.06 V V00
2022-10-28 10:26:04 C 05 49 48.940 +02 44 03.88 V G96
2022-10-28 10:33:32 C 05 49 49.181 +02 44 03.70 V G96
2022-10-28 10:41:02 C 05 49 49.382 +02 44 03.26 V G96
2022-10-28 10:48:31 C 05 49 49.577 +02 44 03.23 V G96
2022-11-19 09:05:40 C 05 58 28.808 +03 28 15.38 V G96
2022-11-19 09:13:07 C 05 58 28.772 +03 28 17.29 V G96
2022-11-19 09:20:34 C 05 58 28.751 +03 28 19.31 V G96
2022-11-19 09:28:01 C 05 58 28.736 +03 28 21.54 V G96
2022-11-23 09:36:36 C 05 58 07.210 +03 59 40.67 V T08
2022-11-23 09:39:16 C 05 58 07.176 +03 59 43.33 V T08
2022-11-23 09:43:55 C 05 58 07.102 +03 59 43.84 V T08
2022-11-23 10:32:42 C 05 58 06.614 +04 00 01.84 V T08
2022-11-25 12:09:48 C 05 57 36.173 +04 20 52.41 U F51
2022-11-25 12:24:55 C 05 57 35.923 +04 20 59.29 U F51
2022-11-25 12:40:02 C 05 57 35.673 +04 21 06.19 U F51
2022-11-25 12:55:15 C 05 57 35.423 +04 21 13.11 U F51
2022-11-28 06:07:24 C 05 56 35.431 +04 54 32.36 V W68
2022-11-28 06:11:56 C 05 56 35.321 +04 54 35.10 V W68
2022-11-28 06:19:43 C 05 56 35.177 +04 54 39.24 V W68
2022-11-28 07:06:58 C 05 56 34.058 +04 55 05.52 V W68
2022-11-29 23:32:05 C 05 55 44.63 +05 18 58.4 X C95
2022-11-29 23:32:49 C 05 55 44.60 +05 18 58.9 X C95
2022-11-29 23:38:02 C 05 55 44.48 +05 19 01.7 X C95
2022-11-29 23:40:16 C 05 55 44.42 +05 19 03.1 X C95
2022-11-29 23:43:15 C 05 55 44.33 +05 19 05.0 X C95
2022-11-29 23:46:58 C 05 55 44.26 +05 19 07.5 X C95
2022-11-29 23:47:43 C 05 55 44.25 +05 19 08.0 X C95
2022-11-30 16:36:32 C 05 55 20.532 +05 30 25.24 V P07
2022-11-30 18:22:49 C 05 55 17.419 +05 31 36.80 V P07
2022-11-30 19:15:23 C 05 55 15.900 +05 32 11.40 V P07
2022-11-30 20:05:27 C 05 55 14.467 +05 32 44.99 V P07
2022-12-02 03:25:07 C 05 54 26.021 +05 54 57.71 V W68
2022-12-02 03:27:42 C 05 54 25.937 +05 54 59.40 V W68
2022-12-02 03:32:15 C 05 54 25.836 +05 55 03.18 V W68
2022-12-02 04:05:12 C 05 54 24.749 +05 55 27.52 V W68
2022-12-02 17:35:28 C 05 54 00.806 +06 05 38.33 V P07
2022-12-02 18:10:50 C 05 53 59.568 +06 06 05.08 V P07
2022-12-02 18:29:54 C 05 53 58.927 +06 06 19.62 V P07
2022-12-02 20:12:32 C 05 53 55.394 +06 07 39.04 V P07
2022-12-04 13:24:30 C 05 52 37.274 +06 41 33.00 V P07
2022-12-04 14:13:44 C 05 52 35.400 +06 42 16.06 V P07
2022-12-04 15:05:03 C 05 52 33.473 +06 43 01.38 V P07
2022-12-04 15:47:55 C 05 52 31.771 +06 43 39.07 V P07