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
2019-03-01 02:42:56 C 03 03 51.44 -01 00 26.1 V 703
2019-03-01 02:51:12 C 03 03 52.41 -00 59 58.6 V 703
2022-01-04 02:13:49 C 02 40 21.41 -62 38 37.5 u 807
2022-01-04 02:17:52 C 02 40 21.68 -62 38 23.1 u 807
2022-01-04 02:21:43 C 02 40 21.84 -62 38 09.1 u 807
2022-01-05 02:28:44 C 02 41 33.38 -61 09 41.7 u 807
2022-01-05 02:30:45 C 02 41 33.48 -61 09 34.0 u 807
2022-01-05 02:32:50 C 02 41 33.58 -61 09 26.1 u 807
2022-01-21 02:22:35 C 02 59 13.27 -27 45 32.3 V 703
2022-01-21 02:30:44 C 02 59 13.62 -27 44 39.2 V 703
2022-01-21 02:38:52 C 02 59 13.98 -27 43 46.1 V 703
2022-01-21 02:47:00 C 02 59 14.23 -27 42 53.5 V 703
2022-01-24 20:12:02 C 03 03 18.53 -17 41 19.7 V M22
2022-01-24 20:19:26 C 03 03 18.85 -17 40 29.6 V M22
2022-01-24 20:24:08 C 03 03 19.07 -17 39 58.8 V M22
2022-01-24 20:40:27 C 03 03 19.74 -17 38 06.9 V M22
2022-01-25 04:01:26 C 03 03 40.53 -16 48 28.2 V 703
2022-01-25 04:09:32 C 03 03 40.86 -16 47 32.9 V 703
2022-01-25 04:17:37 C 03 03 41.14 -16 46 37.6 V 703
2022-01-25 04:25:42 C 03 03 41.50 -16 45 41.2 V 703
2022-01-26 05:59:01 C 03 04 53.15 -13 51 55.5 V T08
2022-01-26 06:06:28 C 03 04 53.50 -13 51 05.0 V T08
2022-01-26 06:11:48 C 03 04 53.71 -13 50 27.5 V T08
2022-01-26 06:29:47 C 03 04 54.43 -13 48 25.8 V T08
2022-01-27 05:12:05 C 03 05 58.74 -11 14 46.4 V T05
2022-01-27 05:18:01 C 03 05 59.02 -11 14 06.4 V T05
2022-01-27 05:25:56 C 03 05 59.34 -11 13 13.3 V T05
2022-01-27 05:40:30 C 03 05 59.95 -11 11 34.3 V T05
2022-01-28 04:12:51 C 03 07 03.57 -08 40 19.5 V 703
2022-01-28 04:21:01 C 03 07 03.95 -08 39 25.7 V 703
2022-01-28 04:29:11 C 03 07 04.32 -08 38 30.0 V 703
2022-01-28 04:37:22 C 03 07 04.62 -08 37 35.4 V 703
2022-01-28 05:07:25 C 03 07 06.70 -08 34 13.3 V T05
2022-01-28 05:12:04 C 03 07 06.90 -08 33 41.5 V T05
2022-01-28 05:24:36 C 03 07 07.52 -08 32 17.4 V T05
2022-01-28 05:39:46 C 03 07 08.10 -08 30 36.9 V T05
2022-01-30 17:40:21 C 03 10 02.12 -01 58 02.1 V 130
2022-01-30 17:47:30 C 03 10 02.47 -01 57 17.0 V 130
2022-02-03 03:45:04 C 03 14 08.12 +06 24 34.6 V 703
2022-02-03 03:53:14 C 03 14 08.47 +06 25 22.2 V 703
2022-02-03 04:01:24 C 03 14 08.92 +06 26 08.4 V 703
2022-02-03 04:09:34 C 03 14 09.24 +06 26 55.4 V 703
2022-02-04 05:15:33 C 03 15 27.40 +08 50 43.1 V T08
2022-02-04 05:20:12 C 03 15 27.64 +08 51 10.6 V T08
2022-02-04 05:28:10 C 03 15 28.04 +08 51 54.6 V T08
2022-02-04 05:46:47 C 03 15 28.93 +08 53 39.3 V T08
2022-02-06 02:35:37 C 03 17 50.70 +12 57 24.1 V G96
2022-02-06 02:44:05 C 03 17 51.12 +12 58 08.7 V G96
2022-02-06 02:52:23 C 03 17 51.53 +12 58 52.1 V G96
2022-02-06 03:00:40 C 03 17 51.94 +12 59 35.7 V G96