523967 (1998 YR11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4763393484 ± 3.16e-08
Semi-major axis (a)2.0296371363 AU ± 1.14e-09
Inclination (i)59.72868295° ± 1.41e-05
Long. of Asc. Node (Ω)112.02079938° ± 3.08e-06
Arg. of Perihelion (ω)320.91730749° ± 1.33e-05
Mean Anomaly (M)123.54643152° ± 4.31e-06
Mean Motion (n)0.3408667778°/day ± 2.86e-10
Perihelion dist (q)1.06284111 AU ± 6.42e-08
Aphelion dist (Q)2.99643317 AU ± 6.42e-08
Orbital Period2.89152932 yr ± 2.43e-09
Physical Parameters
H (abs. magnitude)18.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.321″
Uncertainty0
Orbit TypeAmor
MOID0.156332 AU
Observations Used265
Oppositions18
Arc Total1998-2025
First Observation Used1998-12-23
Last Observation Used2025-01-24
Observations (278)
Date Type RA Dec Mag Band Observatory
2025-01-05 00:04:27 B 10 53 41.82 +25 29 38.8 X L99
2025-01-05 00:07:15 B 10 53 41.86 +25 30 07.6 X L99
2025-01-05 09:37:20 C 10 54 03.146 +27 02 02.29 V G96
2025-01-05 09:44:16 C 10 54 03.344 +27 03 09.50 V G96
2025-01-05 09:51:13 C 10 54 03.539 +27 04 16.39 V G96
2025-01-05 09:58:08 C 10 54 03.733 +27 05 23.42 V G96
2025-01-05 10:01:42 C 10 54 03.834 +27 05 58.06 V 703
2025-01-05 10:04:41 C 10 54 03.913 +27 06 26.71 V 703
2025-01-05 10:07:40 C 10 54 03.996 +27 06 55.84 V 703
2025-01-05 10:10:40 C 10 54 04.093 +27 07 24.74 V 703
2025-01-05 11:37:18 C 10 54 08.165 +27 21 25.09 V T08
2025-01-05 11:57:51 C 10 54 08.745 +27 24 43.48 X F51
2025-01-05 12:10:35 C 10 54 09.103 +27 26 47.69 V T08
2025-01-05 12:13:13 C 10 54 09.163 +27 27 13.07 V T08
2025-01-05 12:14:01 C 10 54 09.200 +27 27 20.01 X F51
2025-01-05 12:46:32 C 10 54 10.095 +27 32 34.68 X F51
2025-01-06 09:11:14 C 10 54 54.144 +30 48 38.09 V 703
2025-01-06 09:14:31 C 10 54 54.220 +30 49 09.26 V 703
2025-01-06 09:17:47 C 10 54 54.331 +30 49 40.94 V 703
2025-01-06 09:21:04 C 10 54 54.396 +30 50 12.05 V 703
2025-01-06 11:40:58 C 10 54 59.794 +31 12 34.52 V T05
2025-01-06 11:45:34 C 10 54 59.928 +31 13 18.88 V T05
2025-01-06 11:52:58 C 10 55 00.118 +31 14 29.65 V T05
2025-01-06 12:14:38 C 10 55 00.677 +31 17 57.08 V T05
2025-01-07 00:17:36 C 10 55 25.094 +33 12 28.34 W M01
2025-01-07 00:18:57 C 10 55 25.107 +33 12 41.06 W M01
2025-01-07 00:20:06 C 10 55 25.154 +33 12 52.10 W M01
2025-01-07 00:21:28 C 10 55 25.167 +33 13 04.96 W M01
2025-01-07 00:22:36 C 10 55 25.214 +33 13 15.87 W M01
2025-01-07 00:23:58 C 10 55 25.228 +33 13 28.87 W M01
2025-01-07 12:38:52 C 10 55 50.268 +35 08 51.83 V T05
2025-01-07 12:41:29 C 10 55 50.340 +35 09 16.49 V T05
2025-01-07 12:46:03 C 10 55 50.443 +35 09 59.33 V T05
2025-01-07 12:53:45 C 10 55 50.604 +35 11 11.65 V T05
2025-01-07 23:24:16 C 10 56 11.858 +36 48 36.50 Z C23
2025-01-07 23:27:09 C 10 56 11.918 +36 49 03.47 Z C23
2025-01-07 23:30:02 C 10 56 11.995 +36 49 30.68 Z C23
2025-01-08 12:22:43 C 10 56 36.154 +38 48 01.48 V T05
2025-01-08 12:25:19 C 10 56 36.214 +38 48 25.27 V T05
2025-01-08 12:33:36 C 10 56 36.384 +38 49 40.87 V T05
2025-01-08 12:37:42 C 10 56 36.473 +38 50 18.20 V T05
2025-01-08 12:42:18 C 10 56 36.574 +38 51 00.22 V T05
2025-01-08 12:59:42 C 10 56 36.922 +38 53 38.87 V T05
2025-01-08 13:02:20 C 10 56 36.977 +38 54 02.84 V T05
2025-01-08 13:04:17 C 10 56 37.015 +38 54 20.81 V T05
2025-01-08 23:53:36 C 10 56 57.016 +40 31 51.90 W M01
2025-01-08 23:54:06 C 10 56 57.037 +40 31 56.40 W M01
2025-01-08 23:56:06 C 10 56 57.078 +40 32 14.43 W M01
2025-01-08 23:56:36 C 10 56 57.081 +40 32 18.95 W M01
2025-01-08 23:58:36 C 10 56 57.139 +40 32 36.96 W M01