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
2022-02-06 03:41:47 C 03 17 53.95 +13 03 11.6 V 703
2022-02-06 03:50:00 C 03 17 54.33 +13 03 54.3 V 703
2022-02-06 04:41:16 C 03 17 57.00 +13 08 22.8 V 703
2022-02-06 04:50:32 C 03 17 57.45 +13 09 11.6 V 703
2022-02-07 05:40:39 C 03 19 18.25 +15 16 48.0 V T05
2022-02-07 05:48:33 C 03 19 18.60 +15 17 26.6 V T05
2022-02-07 05:53:10 C 03 19 18.87 +15 17 50.2 V T05
2022-02-07 06:18:36 C 03 19 20.14 +15 19 58.3 V T05
2022-02-11 06:55:31 C 03 24 45.06 +22 47 48.3 V T05
2022-02-11 07:00:08 C 03 24 45.33 +22 48 08.3 V T05
2022-02-11 07:08:05 C 03 24 45.69 +22 48 41.6 V T05
2022-02-11 07:25:23 C 03 24 46.71 +22 49 54.7 V T05
2022-02-14 04:46:14 C 03 28 53.23 +27 26 53.8 V 703
2022-02-14 04:53:52 C 03 28 53.66 +27 27 20.3 V 703
2022-02-14 05:01:31 C 03 28 54.14 +27 27 49.2 V 703
2022-02-14 05:09:10 C 03 28 54.60 +27 28 18.0 V 703
2022-02-16 05:40:46 C 03 31 54.598 +30 22 20.46 U F52
2022-02-16 05:57:22 C 03 31 55.587 +30 23 16.98 U F52
2022-02-16 07:00:54 C 03 31 59.340 +30 26 54.01 U F52
2022-02-16 07:17:30 C 03 32 00.329 +30 27 50.16 U F52
2022-03-31 04:14:40 C 05 07 59.977 +59 13 53.51 V V00
2022-03-31 04:24:23 C 05 08 01.223 +59 14 00.82 V V00
2022-03-31 04:34:06 C 05 08 02.497 +59 14 08.20 V V00
2022-03-31 04:43:50 C 05 08 03.718 +59 14 15.40 V V00
2024-12-08 01:02:25 C 10 23 13.690 -35 49 54.19 V M22
2024-12-08 01:10:14 C 10 23 14.042 -35 49 37.60 V M22
2024-12-08 01:27:14 C 10 23 14.690 -35 49 03.32 V M22
2024-12-08 01:29:56 C 10 23 14.890 -35 48 57.71 V M22
2024-12-08 02:10:04 C 10 23 16.560 -35 47 36.46 V M22
2024-12-11 01:31:04 C 10 26 39.288 -33 06 17.14 V M22
2024-12-11 01:35:38 C 10 26 39.432 -33 06 06.08 V M22
2024-12-11 01:46:08 C 10 26 39.840 -33 05 40.70 V M22
2024-12-11 01:54:00 C 10 26 40.246 -33 05 21.66 V M22
2024-12-11 02:10:38 C 10 26 40.927 -33 04 41.45 V M22
2024-12-13 06:52:49 C 10 29 11.215 -30 45 54.14 V W68
2024-12-13 06:53:28 C 10 29 11.225 -30 45 52.24 V W68
2024-12-13 07:05:22 C 10 29 11.731 -30 45 19.76 V W68
2024-12-13 07:23:41 C 10 29 12.528 -30 44 27.82 V W68
2024-12-21 04:39:59 C 10 38 11.186 -19 08 36.24 V W68
2024-12-21 05:31:09 C 10 38 13.447 -19 04 34.43 V W68
2024-12-21 06:36:40 C 10 38 16.296 -18 59 24.50 V W68
2024-12-21 06:49:09 C 10 38 16.867 -18 58 25.50 V W68
2024-12-24 08:48:45 C 10 41 44.351 -12 26 07.01 V 703
2024-12-24 08:51:59 C 10 41 44.527 -12 25 48.11 V 703
2024-12-24 08:55:13 C 10 41 44.675 -12 25 29.10 V 703
2024-12-24 08:58:26 C 10 41 44.794 -12 25 09.84 V 703
2024-12-24 13:52:59 C 10 41 57.828 -11 56 01.10 V T05
2024-12-24 13:55:36 C 10 41 57.946 -11 55 45.95 V T05
2024-12-24 14:00:12 C 10 41 58.142 -11 55 17.87 V T05
2024-12-24 14:11:51 C 10 41 58.560 -11 54 08.35 V T05