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
2019-06-01 15:44:31 s 1 -207842.62 6 +211917.50 8150.0 C57
2019-06-01 16:14:31 S 15 56 56.410 -39 51 32.62 V C57
2019-06-01 16:14:31 s 1 -208022.95 7 +210100.41 8870.0 C57
2019-06-01 16:44:31 S 15 56 53.472 -39 51 23.22 V C57
2019-06-01 16:44:31 s 1 -208193.55 9 +208273.44 9510.0 C57
2019-06-01 17:14:31 S 15 56 50.429 -39 51 13.00 V C57
2019-06-01 17:14:31 s 1 -208354.31 5 +206436.60 9630.0 C57
2019-06-01 17:44:31 S 15 56 47.407 -39 51 03.78 V C57
2019-06-01 17:44:31 s 1 -208505.10 9 +204589.84 8790.0 C57
2019-06-01 18:14:31 S 15 56 44.597 -39 50 53.59 V C57
2019-06-01 18:14:31 s 1 -208645.82 3 +202733.16 6540.0 C57
2019-06-01 18:44:31 S 15 56 41.441 -39 50 43.91 V C57
2019-06-01 18:44:31 s 1 -208776.33 6 +200866.53 2430.0 C57
2019-06-01 19:14:31 S 15 56 38.426 -39 50 33.50 V C57
2019-06-01 19:14:31 s 1 -208896.52 3 +198989.92 5990.0 C57
2019-06-01 19:44:31 S 15 56 35.486 -39 50 23.68 V C57
2019-06-01 19:44:31 s 1 -209006.26 1 +197103.33 6750.0 C57
2019-06-01 20:14:31 S 15 56 32.441 -39 50 14.50 V C57
2019-06-01 20:14:31 s 1 -209105.42 2 +195206.72 4230.0 C57
2019-06-01 20:44:31 S 15 56 29.479 -39 50 04.88 V C57
2019-06-01 20:44:31 s 1 -209193.87 5 +193300.07 7940.0 C57
2019-06-01 21:14:31 S 15 56 26.311 -39 49 55.24 V C57
2019-06-01 21:14:31 s 1 -209271.49 0 +191383.37 7380.0 C57
2019-06-01 21:44:31 S 15 56 23.345 -39 49 44.69 V C57
2019-06-01 21:44:31 s 1 -209338.13 1 +189456.59 2040.0 C57
2019-06-01 22:14:31 S 15 56 20.342 -39 49 35.47 V C57
2019-06-01 22:14:31 s 1 -209393.66 2 +187519.72 1400.0 C57
2019-06-01 22:44:31 S 15 56 17.328 -39 49 26.08 V C57
2019-06-01 22:44:31 s 1 -209437.94 4 +185572.74 4930.0 C57
2019-06-01 23:14:31 S 15 56 14.414 -39 49 18.26 V C57
2019-06-01 23:14:31 s 1 -209470.83 4 +183615.62 2090.0 C57
2019-06-01 23:44:31 S 15 56 11.170 -39 49 08.90 V C57
2019-06-01 23:44:31 s 1 -209492.18 8 +181648.35 2340.0 C57
2019-06-02 00:44:31 S 15 56 05.023 -39 48 47.16 V C57
2019-06-02 00:44:31 s 1 -209499.69 8 +177683.27 9820.0 C57
2019-06-02 01:14:31 S 15 56 02.090 -39 48 36.76 V C57
2019-06-02 01:14:31 s 1 -209485.55 1 +175685.43 5900.0 C57
2019-06-02 01:44:31 S 15 55 58.894 -39 48 26.39 V C57
2019-06-02 01:44:31 s 1 -209459.26 3 +173677.37 2760.0 C57
2019-06-02 02:14:31 S 15 55 55.884 -39 48 17.64 V C57
2019-06-02 02:14:31 s 1 -209420.67 5 +171659.06 9770.0 C57
2019-06-02 02:44:31 S 15 55 52.798 -39 48 08.68 V C57
2019-06-02 02:44:31 s 1 -209369.62 6 +169630.50 6330.0 C57
2019-06-02 03:14:31 S 15 55 49.865 -39 47 58.13 V C57
2019-06-02 03:14:31 s 1 -209305.95 0 +167591.66 1800.0 C57
2019-06-02 03:44:31 S 15 55 46.826 -39 47 48.41 V C57
2019-06-02 03:44:31 s 1 -209229.48 0 +165542.54 5530.0 C57
2019-06-02 04:14:31 S 15 55 43.457 -39 47 38.76 V C57
2019-06-02 04:14:31 s 1 -209140.04 5 +163483.11 6870.0 C57
2019-06-02 04:44:31 S 15 55 40.426 -39 47 28.39 V C57