IAA RAS IAA Minor Planet Database

387505 (1998 KN3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8733563504 ± 3.35e-08
Semi-major axis (a)1.5420258269 AU ± 4.05e-09
Inclination (i)2.28899314° ± 3.33e-06
Long. of Asc. Node (Ω)313.21670388° ± 1.34e-04
Arg. of Perihelion (ω)71.26540037° ± 1.33e-04
Mean Anomaly (M)94.65016706° ± 7.90e-06
Mean Motion (n)0.5147244577°/day ± 2.03e-09
Perihelion dist (q)0.19528778 AU ± 5.17e-08
Aphelion dist (Q)2.88876388 AU ± 5.23e-08
Orbital Period1.91486196 yr ± 7.55e-09
Physical Parameters
H (abs. magnitude)18.78
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual1.288″
Uncertainty0
Orbit TypeApollo
MOID0.018259 AU
Observations Used1460
Oppositions12
Arc Total1998-2023
First Observation Used1998-05-24
Last Observation Used2023-04-29
Observations (2619)
Date Type RA Dec Mag Band Observatory
2021-05-20 03:54:02 S 15 18 51.806 -27 09 10.30 – V C57
2021-05-20 03:54:02 s 1 -37369.433 0 +393945.00 4610.0 – C57
2021-05-20 04:04:02 S 15 18 48.245 -27 09 06.95 – V C57
2021-05-20 04:04:02 s 1 -37730.137 0 +393867.74 270.0 – C57
2021-05-20 04:14:02 S 15 18 45.487 -27 09 00.90 – V C57
2021-05-20 04:14:02 s 1 -38090.744 0 +393789.56 5580.0 – C57
2021-05-20 04:54:02 S 15 18 33.086 -27 08 37.75 – V C57
2021-05-20 04:54:02 s 1 -39532.187 0 +393467.67 3250.0 – C57
2021-05-20 05:04:02 S 15 18 29.650 -27 08 32.71 – V C57
2021-05-20 05:04:02 s 1 -39892.298 0 +393384.90 6760.0 – C57
2021-05-20 05:14:02 S 15 18 27.149 -27 08 35.38 – V C57
2021-05-20 05:14:02 s 1 -40252.306 0 +393301.22 9910.0 – C57
2021-05-20 05:34:02 S 15 18 20.266 -27 08 23.53 – V C57
2021-05-20 05:34:02 s 1 -40972.014 0 +393131.09 5100.0 – C57
2021-05-20 05:44:02 S 15 18 17.640 -27 08 21.37 – V C57
2021-05-20 05:44:02 s 1 -41331.711 0 +393044.66 7140.0 – C57
2021-05-20 05:54:02 S 15 18 14.537 -27 08 14.60 – V C57
2021-05-20 05:54:02 s 1 -41691.303 0 +392957.30 8800.0 – C57
2021-05-20 06:24:02 S 15 18 04.874 -27 07 54.62 – V C57
2021-05-20 06:24:02 s 1 -42769.437 0 +392689.72 1510.0 – C57
2021-05-20 06:44:02 S 15 17 58.843 -27 07 52.54 – V C57
2021-05-20 06:44:02 s 1 -43487.649 0 +392506.74 1410.0 – C57
2021-05-20 06:54:02 S 15 17 56.114 -27 07 44.90 – V C57
2021-05-20 06:54:02 s 1 -43846.590 0 +392413.88 780.0 – C57
2021-05-20 07:04:02 S 15 17 52.745 -27 07 37.31 – V C57
2021-05-20 07:04:02 s 1 -44205.418 0 +392320.09 9750.0 – C57
2021-05-20 07:14:02 S 15 17 50.124 -27 07 32.52 – V C57
2021-05-20 07:14:02 s 1 -44564.134 0 +392225.39 8340.0 – C57
2021-05-20 07:24:02 S 15 17 46.704 -27 07 32.34 – V C57
2021-05-20 07:24:02 s 1 -44922.737 0 +392129.76 6530.0 – C57
2021-05-20 07:34:02 S 15 17 43.558 -27 07 20.78 – V C57
2021-05-20 07:34:02 s 1 -45281.225 0 +392033.22 4330.0 – C57
2021-05-20 07:44:02 S 15 17 40.500 -27 07 16.64 – V C57
2021-05-20 07:44:02 s 1 -45639.598 0 +391935.76 1720.0 – C57
2021-05-20 07:54:02 S 15 17 37.272 -27 07 11.60 – V C57
2021-05-20 07:54:02 s 1 -45997.854 0 +391837.37 8720.0 – C57
2021-05-20 08:04:02 S 15 17 34.531 -27 07 07.97 – V C57
2021-05-20 08:04:02 s 1 -46355.994 0 +391738.07 5310.0 – C57
2021-05-20 08:54:02 S 15 17 18.386 -27 06 38.52 – V C57
2021-05-20 08:54:02 s 1 -48144.904 0 +391227.77 2160.0 – C57
2021-05-20 09:04:02 S 15 17 15.787 -27 06 39.49 – V C57
2021-05-20 09:04:02 s 1 -48502.322 0 +391122.95 6280.0 – C57
2021-05-20 09:14:02 S 15 17 12.653 -27 06 36.68 – V C57
2021-05-20 09:14:02 s 1 -48859.617 0 +391017.20 9990.0 – C57
2021-05-20 09:24:02 S 15 17 09.619 -27 06 29.92 – V C57
2021-05-20 09:24:02 s 1 -49216.788 0 +390910.54 3280.0 – C57
2021-05-20 09:34:02 S 15 17 06.298 -27 06 23.00 – V C57
2021-05-20 09:34:02 s 1 -49573.833 0 +390802.96 6150.0 – C57
2021-05-20 09:54:02 S 15 16 59.902 -27 06 16.38 – V C57
2021-05-20 09:54:02 s 1 -50287.544 0 +390585.03 610.0 – C57