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
2021-05-21 03:04:02 S 15 11 28.958 -26 57 03.46 – V C57
2021-05-21 03:04:02 s 1 -86179.465 0 +374345.37 3110.0 – C57
2021-05-21 03:24:02 S 15 11 22.428 -26 56 55.57 – V C57
2021-05-21 03:24:02 s 1 -86860.291 0 +373929.07 1770.0 – C57
2021-05-21 03:44:02 S 15 11 15.715 -26 56 42.58 – V C57
2021-05-21 03:44:02 s 1 -87533.949 0 +373512.81 3400.0 – C57
2021-05-21 03:54:02 S 15 11 12.794 -26 56 36.96 – V C57
2021-05-21 03:54:02 s 1 -87871.399 0 +373302.67 5410.0 – C57
2021-05-21 04:14:02 S 15 11 06.293 -26 56 23.75 – V C57
2021-05-21 04:14:02 s 1 -88545.649 0 +372879.49 7460.0 – C57
2021-05-21 04:24:02 S 15 11 02.822 -26 56 16.73 – V C57
2021-05-21 04:24:02 s 1 -88883.792 0 +372665.61 580.0 – C57
2021-05-21 04:34:02 S 15 10 59.592 -26 56 14.57 – V C57
2021-05-21 04:34:02 s 1 -89216.728 0 +372453.94 1640.0 – C57
2021-05-21 04:44:02 S 15 10 55.831 -26 56 10.21 – V C57
2021-05-21 04:44:02 s 1 -89555.284 0 +372237.59 5380.0 – C57
2021-05-21 05:04:02 S 15 10 49.464 -26 55 54.95 – V C57
2021-05-21 05:04:02 s 1 -90225.208 0 +371806.19 5980.0 – C57
2021-05-21 05:14:02 S 15 10 46.294 -26 55 51.17 – V C57
2021-05-21 05:14:02 s 1 -90562.723 0 +371587.17 6860.0 – C57
2021-05-21 05:34:02 S 15 10 39.082 -26 55 43.10 – V C57
2021-05-21 05:34:02 s 1 -91230.900 0 +371150.27 2520.0 – C57
2021-05-21 05:44:02 S 15 10 36.118 -26 55 32.09 – V C57
2021-05-21 05:44:02 s 1 -91567.964 0 +370928.20 1900.0 – C57
2021-05-21 06:04:02 S 15 10 29.690 -26 55 19.70 – V C57
2021-05-21 06:04:02 s 1 -92234.703 0 +370485.59 3310.0 – C57
2021-05-21 06:14:02 S 15 10 26.160 -26 55 14.41 – V C57
2021-05-21 06:14:02 s 1 -92571.052 0 +370260.62 570.0 – C57
2021-05-21 06:24:02 S 15 10 22.697 -26 55 07.28 – V C57
2021-05-21 06:24:02 s 1 -92906.862 0 +370034.87 6440.0 – C57
2021-05-21 06:34:02 S 15 10 19.056 -26 55 01.20 – V C57
2021-05-21 06:34:02 s 1 -93236.575 0 +369812.13 8250.0 – C57
2021-05-21 06:44:02 S 15 10 15.938 -26 54 57.92 – V C57
2021-05-21 06:44:02 s 1 -93571.854 0 +369584.49 2580.0 – C57
2021-05-21 06:54:02 S 15 10 12.617 -26 54 51.16 – V C57
2021-05-21 06:54:02 s 1 -93904.930 0 +369357.22 1730.0 – C57
2021-05-21 07:04:02 S 15 10 09.557 -26 54 41.80 – V C57
2021-05-21 07:04:02 s 1 -94235.573 0 +369130.49 5170.0 – C57
2021-05-21 07:14:02 S 15 10 05.743 -26 54 39.28 – V C57
2021-05-21 07:14:02 s 1 -94570.370 0 +368899.77 7920.0 – C57
2021-05-21 07:24:02 S 15 10 02.371 -26 54 35.03 – V C57
2021-05-21 07:24:02 s 1 -94904.060 0 +368668.68 7980.0 – C57
2021-05-21 07:34:02 S 15 09 59.050 -26 54 21.89 – V C57
2021-05-21 07:34:02 s 1 -95232.590 0 +368440.04 6120.0 – C57
2021-05-21 07:44:02 S 15 09 55.750 -26 54 22.14 – V C57
2021-05-21 07:44:02 s 1 -95566.642 0 +368206.42 6680.0 – C57
2021-05-21 07:54:02 S 15 09 52.579 -26 54 13.72 – V C57
2021-05-21 07:54:02 s 1 -95900.146 0 +367972.03 5820.0 – C57
2021-05-21 08:14:02 S 15 09 45.864 -26 54 03.35 – V C57
2021-05-21 08:14:02 s 1 -96560.538 0 +367504.48 8540.0 – C57