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
2019-12-07 16:14:24 s 1 -164960.03 2 +283408.66 6120.0 C57
2019-12-07 16:44:24 S 04 40 27.667 +40 45 52.42 V C57
2019-12-07 16:44:24 s 1 -165462.81 4 +281979.69 1450.0 C57
2019-12-07 17:14:24 S 04 40 25.613 +40 45 02.23 V C57
2019-12-07 17:14:24 s 1 -165959.57 4 +280540.44 4340.0 C57
2019-12-07 17:44:24 S 04 40 23.532 +40 44 11.00 V C57
2019-12-07 17:44:24 s 1 -166450.23 9 +279090.87 4630.0 C57
2019-12-07 18:14:24 S 04 40 21.521 +40 43 21.32 V C57
2019-12-07 18:14:24 s 1 -166934.73 7 +277630.95 2150.0 C57
2019-12-07 18:44:24 S 04 40 19.447 +40 42 29.99 V C57
2019-12-07 18:44:24 s 1 -167412.99 4 +276160.63 6710.0 C57
2019-12-07 19:14:24 S 04 40 17.414 +40 41 38.94 V C57
2019-12-07 19:14:24 s 1 -167884.93 4 +274679.87 8150.0 C57
2019-12-07 19:44:24 S 04 40 15.377 +40 40 49.48 V C57
2019-12-07 19:44:24 s 1 -168350.48 1 +273188.64 6280.0 C57
2019-12-07 20:14:24 S 04 40 13.394 +40 39 59.76 V C57
2019-12-07 20:14:24 s 1 -168809.55 6 +271686.89 910.0 C57
2019-12-07 20:44:24 S 04 40 11.309 +40 39 08.21 V C57
2019-12-07 20:44:24 s 1 -169262.08 1 +270174.58 1870.0 C57
2019-12-08 03:11:18 C 04 41 01.04 +40 20 12.3 u H21
2019-12-08 03:13:16 C 04 41 00.90 +40 20 09.3 u H21
2019-12-08 03:15:13 C 04 41 00.75 +40 20 06.2 u H21
2019-12-08 03:17:11 C 04 41 00.61 +40 20 03.3 u H21
2019-12-08 03:19:09 C 04 41 00.46 +40 20 00.3 u H21
2019-12-08 03:21:06 C 04 41 00.32 +40 19 57.4 u H21
2019-12-08 03:23:04 C 04 41 00.17 +40 19 54.2 u H21
2019-12-08 03:25:01 C 04 41 00.03 +40 19 51.3 u H21
2019-12-08 03:26:59 C 04 40 59.88 +40 19 48.2 u H21
2019-12-08 03:28:56 C 04 40 59.73 +40 19 45.3 u H21
2019-12-08 03:30:54 C 04 40 59.59 +40 19 42.3 u H21
2019-12-08 03:32:51 C 04 40 59.45 +40 19 39.2 u H21
2019-12-08 03:34:48 C 04 40 59.31 +40 19 36.3 u H21
2019-12-08 03:36:45 C 04 40 59.15 +40 19 33.1 u H21
2019-12-08 03:38:42 C 04 40 59.01 +40 19 30.2 u H21
2019-12-08 03:40:51 C 04 40 58.86 +40 19 26.9 u H21
2019-12-09 00:44:24 S 04 38 27.838 +39 52 02.71 V C57
2019-12-09 00:44:24 s 1 -180859.39 3 +167088.02 610.0 C57
2019-12-09 01:14:24 S 04 38 26.177 +39 51 12.92 V C57
2019-12-09 01:14:24 s 1 -180740.93 6 +164886.03 8630.0 C57
2019-12-09 01:44:24 S 04 38 24.566 +39 50 24.54 V C57
2019-12-09 01:44:24 s 1 -180607.17 2 +162670.05 1810.0 C57
2019-12-09 02:14:24 S 04 38 22.982 +39 49 34.43 V C57
2019-12-09 02:14:24 s 1 -180457.82 2 +160440.00 9470.0 C57
2019-12-09 03:14:24 S 04 38 19.771 +39 47 52.37 V C57
2019-12-09 03:14:24 s 1 -180111.19 9 +155937.39 5360.0 C57
2019-12-09 03:44:24 S 04 38 18.194 +39 47 04.27 V C57
2019-12-09 03:44:24 s 1 -179913.32 5 +153664.68 2100.0 C57
2019-12-09 04:14:24 S 04 38 16.411 +39 46 11.06 V C57
2019-12-09 04:14:24 s 1 -179698.66 0 +151377.60 350.0 C57
2019-12-09 04:44:24 S 04 38 14.726 +39 45 18.40 V C57