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
2024-12-25 00:46:01 C 10 42 28.406 -10 49 40.04 V M22
2024-12-25 00:50:34 C 10 42 28.603 -10 49 11.75 V M22
2024-12-25 00:59:02 C 10 42 28.908 -10 48 19.76 V M22
2024-12-25 01:31:46 C 10 42 30.266 -10 44 58.13 V M22
2024-12-27 06:57:55 C 10 44 56.806 -04 50 36.06 V W68
2024-12-27 07:13:43 C 10 44 57.418 -04 48 43.85 V W68
2024-12-27 07:18:17 C 10 44 57.595 -04 48 11.38 V W68
2024-12-27 07:24:10 C 10 44 57.811 -04 47 29.98 V W68
2024-12-27 14:56:32 C 10 45 17.409 -03 53 45.32 X F51
2024-12-27 15:11:42 C 10 45 17.968 -03 51 55.62 X F51
2024-12-27 15:26:49 C 10 45 18.537 -03 50 04.68 X F51
2024-12-28 13:12:50 C 10 46 17.940 -01 07 46.06 V T05
2024-12-28 13:15:37 C 10 46 18.046 -01 07 24.74 V T05
2024-12-28 13:20:50 C 10 46 18.235 -01 06 44.78 V T05
2024-12-28 13:39:57 C 10 46 18.941 -01 04 18.30 V T05
2024-12-30 10:57:03 C 10 48 17.813 +05 00 25.13 V V00
2024-12-30 11:05:09 C 10 48 18.101 +05 01 33.35 V V00
2024-12-30 11:13:13 C 10 48 18.392 +05 02 41.71 V V00
2024-12-30 11:21:19 C 10 48 18.673 +05 03 49.97 V V00
2024-12-30 13:20:56 C 10 48 24.310 +05 20 48.59 V T08
2024-12-30 13:27:05 C 10 48 24.528 +05 21 40.79 V T08
2024-12-30 13:35:05 C 10 48 24.811 +05 22 48.58 V T08
2024-12-30 14:07:08 C 10 48 25.918 +05 27 20.63 V T08
2024-12-30 19:14:12 C 10 48 39.36 +06 10 53.2 V D29
2024-12-30 19:34:34 C 10 48 40.08 +06 13 47.7 V D29
2024-12-30 19:53:39 C 10 48 40.76 +06 16 31.8 V D29
2024-12-31 00:37:03 C 10 48 53.844 +06 57 12.17 V M52
2024-12-31 01:09:47 C 10 48 55.027 +07 01 54.59 V M52
2024-12-31 07:26:46 C 10 49 10.810 +07 57 12.42 V W68
2024-12-31 07:31:22 C 10 49 10.985 +07 57 52.88 V W68
2024-12-31 08:14:34 C 10 49 12.468 +08 04 10.74 V W68
2025-01-01 10:07:24 C 10 50 17.988 +11 55 12.72 V 703
2025-01-01 10:10:24 C 10 50 18.064 +11 55 39.90 V 703
2025-01-01 10:13:23 C 10 50 18.190 +11 56 07.26 V 703
2025-01-01 10:16:22 C 10 50 18.287 +11 56 33.83 V 703
2025-01-02 00:01:08 C 10 50 52.915 +14 03 32.26 V M22
2025-01-02 00:05:44 C 10 50 53.086 +14 04 15.06 V M22
2025-01-02 00:12:14 C 10 50 53.311 +14 05 15.40 V M22
2025-01-02 00:27:54 C 10 50 53.842 +14 07 40.87 V M22
2025-01-03 09:55:58 C 10 52 14.113 +19 22 40.73 V 703
2025-01-03 09:58:55 C 10 52 14.200 +19 23 09.28 V 703
2025-01-03 10:01:53 C 10 52 14.293 +19 23 37.54 V 703
2025-01-03 10:04:51 C 10 52 14.387 +19 24 05.94 V 703
2025-01-04 08:28:19 C 10 53 07.163 +22 59 08.48 V 703
2025-01-04 08:42:25 C 10 53 07.566 +23 01 24.85 V 703
2025-01-04 12:48:47 C 10 53 16.572 +23 41 11.11 V T08
2025-01-04 12:51:26 C 10 53 16.654 +23 41 36.49 V T08
2025-01-04 13:10:16 C 10 53 17.184 +23 44 38.76 V T08
2025-01-04 23:58:15 B 10 53 41.64 +25 28 38.8 X L99
2025-01-05 00:01:27 B 10 53 41.70 +25 29 11.0 X L99