IAA RAS IAA Minor Planet Database

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
2019-12-05 05:44:24 S 04 45 05.729 +42 25 24.78 – V C57
2019-12-05 05:44:24 s 1 -78129.288 0 +387059.43 9450.0 – C57
2019-12-05 06:14:24 S 04 45 03.089 +42 24 33.05 – V C57
2019-12-05 06:14:24 s 1 -79026.289 0 +386666.41 1570.0 – C57
2019-12-05 06:44:24 S 04 45 00.674 +42 23 46.61 – V C57
2019-12-05 06:44:24 s 1 -79921.649 0 +386265.30 1590.0 – C57
2019-12-05 07:14:24 S 04 44 58.037 +42 22 57.11 – V C57
2019-12-05 07:14:24 s 1 -80815.347 0 +385856.10 9440.0 – C57
2019-12-05 07:44:24 S 04 44 55.399 +42 22 05.41 – V C57
2019-12-05 07:44:24 s 1 -81707.360 0 +385438.82 5080.0 – C57
2019-12-05 08:14:24 S 04 44 52.711 +42 21 13.79 – V C57
2019-12-05 08:14:24 s 1 -82597.667 0 +385013.44 8450.0 – C57
2019-12-05 08:44:24 S 04 44 50.184 +42 20 23.32 – V C57
2019-12-05 08:44:24 s 1 -83486.246 0 +384579.96 9500.0 – C57
2019-12-05 09:14:24 S 04 44 47.558 +42 19 31.87 – V C57
2019-12-05 09:14:24 s 1 -84373.075 0 +384138.38 8170.0 – C57
2019-12-05 09:44:24 S 04 44 44.916 +42 18 42.48 – V C57
2019-12-05 09:44:24 s 1 -85258.132 0 +383688.68 4410.0 – C57
2019-12-05 10:14:24 S 04 44 42.418 +42 17 51.65 – V C57
2019-12-05 10:14:24 s 1 -86141.395 0 +383230.87 8170.0 – C57
2019-12-05 10:44:24 S 04 44 39.799 +42 17 01.75 – V C57
2019-12-05 10:44:24 s 1 -87022.841 0 +382764.93 9390.0 – C57
2019-12-05 11:14:24 S 04 44 37.178 +42 16 10.02 – V C57
2019-12-05 11:14:24 s 1 -87902.449 0 +382290.86 8020.0 – C57
2019-12-05 11:44:24 S 04 44 34.474 +42 15 15.23 – V C57
2019-12-05 11:44:24 s 1 -88780.194 0 +381808.65 4000.0 – C57
2019-12-05 12:14:24 S 04 44 32.359 +42 14 32.03 – V C57
2019-12-05 12:14:24 s 1 -89656.056 0 +381318.30 7280.0 – C57
2019-12-05 12:44:24 S 04 44 29.491 +42 13 38.14 – V C57
2019-12-05 12:44:24 s 1 -90530.010 0 +380819.80 7790.0 – C57
2019-12-05 13:14:24 S 04 44 26.863 +42 12 48.06 – V C57
2019-12-05 13:14:24 s 1 -91402.033 0 +380313.14 5500.0 – C57
2019-12-05 13:44:24 S 04 44 24.336 +42 11 56.58 – V C57
2019-12-05 13:44:24 s 1 -92272.104 0 +379798.31 330.0 – C57
2019-12-05 14:14:24 S 04 44 21.758 +42 11 06.25 – V C57
2019-12-05 14:14:24 s 1 -93140.198 0 +379275.32 2230.0 – C57
2019-12-05 14:44:24 S 04 44 19.164 +42 10 13.73 – V C57
2019-12-05 14:44:24 s 1 -94006.291 0 +378744.14 1150.0 – C57
2019-12-05 15:14:24 S 04 44 16.620 +42 09 22.68 – V C57
2019-12-05 15:14:24 s 1 -94870.361 0 +378204.77 7030.0 – C57
2019-12-05 15:44:24 S 04 44 14.172 +42 08 31.70 – V C57
2019-12-05 15:44:24 s 1 -95732.384 0 +377657.21 9800.0 – C57
2019-12-05 16:14:24 S 04 44 11.580 +42 07 43.32 – V C57
2019-12-05 16:14:24 s 1 -96592.335 0 +377101.44 9430.0 – C57
2019-12-05 16:44:24 S 04 44 08.974 +42 06 52.02 – V C57
2019-12-05 16:44:24 s 1 -97450.191 0 +376537.45 5840.0 – C57
2019-12-05 17:14:24 S 04 44 06.554 +42 06 01.73 – V C57
2019-12-05 17:14:24 s 1 -98305.928 0 +375965.25 8970.0 – C57
2019-12-05 17:44:24 S 04 44 04.044 +42 05 10.86 – V C57
2019-12-05 17:44:24 s 1 -99159.521 0 +375384.81 8780.0 – C57