99248 (2001 KY66)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5077035333 ± 6.40e-09
Semi-major axis (a)1.8664342312 AU ± 1.78e-09
Inclination (i)10.61167784° ± 1.60e-06
Long. of Asc. Node (Ω)284.10982964° ± 6.36e-06
Arg. of Perihelion (ω)61.54929256° ± 6.68e-06
Mean Anomaly (M)154.34676223° ± 1.30e-06
Mean Motion (n)0.3865389296°/day ± 5.53e-10
Perihelion dist (q)0.91883898 AU ± 1.20e-08
Aphelion dist (Q)2.81402949 AU ± 1.22e-08
Orbital Period2.54987585 yr ± 3.65e-09
Physical Parameters
H (abs. magnitude)16.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.381″
Uncertainty0
Orbit TypeApollo
MOID0.046263 AU
Observations Used3265
Oppositions21
Arc Total1991-2025
First Observation Used1991-06-08
Last Observation Used2025-03-10
Observations (5287)
Date Type RA Dec Mag Band Observatory
1991-06-08 09:29:45 19 45 18.75 -36 20 46.3 c 675
1991-06-08 10:21:59 19 45 24.05 -36 20 14.3 c 675
1992-01-25 04:47:00 05 43 11.83 +23 08 20.5 c 261
1992-01-25 05:51:59 05 43 10.79 +23 08 02.0 c 261
1998-03-24 11:01:58 C 11 08 32.20 -11 32 43.5 o 566
2001-05-29 05:40:04 C 12 55 18.43 -24 06 29.0 19.1 c 644
2001-05-29 05:55:42 C 12 55 17.93 -24 06 20.4 19.3 c 644
2001-05-29 06:11:13 C 12 55 17.34 -24 06 11.6 19.8 c 644
2001-05-30 05:32:52 C 12 54 35.83 -23 52 52.9 18.8 c 644
2001-05-30 05:48:27 C 12 54 35.36 -23 52 44.0 18.9 c 644
2001-05-30 06:03:52 C 12 54 34.89 -23 52 35.3 19.0 c 644
2001-05-30 06:10:10 C 12 54 35.03 -23 52 28.8 t 608
2001-05-30 06:26:03 C 12 54 34.51 -23 52 19.6 t 608
2001-05-30 06:42:08 C 12 54 34.02 -23 52 10.9 t 608
2001-05-30 08:26:50 C 12 54 31.21 -23 51 03.2 18.6 422
2001-05-30 11:38:29 C 12 54 25.30 -23 49 15.3 428
2001-05-30 11:48:06 C 12 54 24.99 -23 49 09.9 428
2001-05-31 03:15:48 C 12 53 59.66 -23 40 33.0 711
2001-05-31 03:28:25 C 12 53 59.26 -23 40 24.7 711
2001-05-31 03:40:56 C 12 53 58.93 -23 40 16.7 711
2001-05-31 04:08:40 C 12 53 58.16 -23 40 03.0 290
2001-05-31 04:11:47 C 12 53 58.06 -23 40 01.2 290
2001-05-31 04:13:11 C 12 53 58.01 -23 40 00.5 290
2001-05-31 08:27:19 C 12 53 51.54 -23 37 28.9 413
2001-05-31 08:29:36 C 12 53 51.48 -23 37 27.6 413
2001-05-31 12:15:27 C 12 53 45.020 -23 35 20.79 413
2001-05-31 12:18:25 C 12 53 44.936 -23 35 18.93 413
2001-05-31 12:21:21 C 12 53 44.851 -23 35 17.34 413
2001-06-02 11:44:00 C 12 52 36.04 -23 08 58.1 413
2001-06-02 11:46:19 C 12 52 35.98 -23 08 56.7 413
2001-06-02 11:48:36 C 12 52 35.91 -23 08 55.4 413
2001-06-03 10:56:25 C 12 52 06.52 -22 56 18.2 413
2001-06-03 10:58:45 C 12 52 06.47 -22 56 17.0 413
2001-06-03 11:01:01 C 12 52 06.41 -22 56 15.8 413
2001-06-18 21:15:18 C 12 50 12.90 -20 01 20.4 c 493
2001-06-18 21:22:31 C 12 50 12.95 -20 01 17.8 c 493
2001-07-03 10:03:35 C 12 57 57.82 -18 12 16.7 e 413
2001-07-03 10:06:33 C 12 57 57.97 -18 12 15.8 e 413
2001-07-03 10:09:31 C 12 57 58.03 -18 12 15.4 e 413
2001-07-04 09:11:00 C 12 58 46.26 -18 07 02.8 e 413
2001-07-04 09:13:19 C 12 58 46.33 -18 07 01.9 e 413
2001-07-04 09:15:37 C 12 58 46.41 -18 07 01.5 e 413
2001-07-05 09:17:02 C 12 59 38.73 -18 01 49.4 e 413
2001-07-05 09:19:10 C 12 59 38.84 -18 01 49.1 e 413
2001-07-05 09:21:18 C 12 59 38.86 -18 01 48.6 e 413
2001-10-11 08:50:40 C 16 55 15.30 -17 36 40.4 c 474
2001-10-11 08:53:39 C 16 55 15.81 -17 36 39.1 c 474
2001-10-11 08:55:50 C 16 55 16.18 -17 36 38.4 c 474
2001-12-14 01:33:53 C 22 00 02.36 +01 34 49.0 18.3 c 704
2001-12-14 01:55:32 C 22 00 07.05 +01 35 13.6 18.7 c 704