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
2025-01-08 23:59:06 C 10 56 57.124 +40 32 41.51 W M01
2025-01-12 12:51:19 C 10 59 06.538 +52 15 07.85 V T05
2025-01-12 12:53:56 C 10 59 06.574 +52 15 27.61 V T05
2025-01-12 12:57:52 C 10 59 06.614 +52 15 57.28 V T05
2025-01-12 13:27:12 C 10 59 06.835 +52 19 38.68 V T05
2025-01-13 07:32:14 C 10 59 28.691 +54 32 29.26 V 703
2025-01-13 07:35:36 C 10 59 28.763 +54 32 53.99 V 703
2025-01-13 07:38:58 C 10 59 28.770 +54 33 18.22 V 703
2025-01-13 07:42:21 C 10 59 28.842 +54 33 42.52 V 703
2025-01-16 12:22:39 C 11 00 14.282 +62 50 56.87 V T05
2025-01-16 12:45:35 C 11 00 13.982 +62 53 09.89 V T05
2025-01-16 12:50:22 C 11 00 13.903 +62 53 37.93 V T05
2025-01-16 12:54:21 C 11 00 13.822 +62 54 00.83 V T05
2025-01-18 09:47:33 C 11 00 02.092 +66 57 02.99 V 703
2025-01-18 09:51:07 C 11 00 01.958 +66 57 21.28 V 703
2025-01-18 09:54:42 C 11 00 01.958 +66 57 39.35 V 703
2025-01-18 09:58:16 C 11 00 01.717 +66 57 57.78 V 703
2025-01-18 12:08:58 C 11 00 01.265 +67 08 58.27 V T08
2025-01-18 12:11:40 C 11 00 01.087 +67 09 11.74 V T08
2025-01-18 12:23:05 C 11 00 00.826 +67 10 09.34 V T08
2025-01-20 11:59:28 C 10 59 03.161 +70 52 03.90 V T05
2025-01-20 12:50:43 C 10 59 00.586 +70 55 46.96 V T05
2025-01-20 13:02:04 C 10 59 00.158 +70 56 35.48 V T05
2025-01-20 13:04:41 C 10 58 59.952 +70 56 46.79 V T05
2025-01-24 12:35:24 C 10 53 38.069 +76 52 04.15 V T05
2025-01-24 12:39:59 C 10 53 37.416 +76 52 19.45 V T05
2025-01-24 12:45:53 C 10 53 36.833 +76 52 37.49 V T05
2025-01-24 12:54:52 C 10 53 35.842 +76 53 06.65 V T05