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 22:54:02 S 15 04 42.070 -26 44 45.89 – V C57
2021-05-21 22:54:02 s 1 -124528.57 2 +343023.69 3360.0 – C57
2021-05-21 23:04:02 S 15 04 38.777 -26 44 41.03 – V C57
2021-05-21 23:04:02 s 1 -124827.88 5 +342705.37 8710.0 – C57
2021-05-21 23:14:02 S 15 04 35.239 -26 44 35.05 – V C57
2021-05-21 23:14:02 s 1 -125132.10 2 +342380.42 4750.0 – C57
2021-05-21 23:34:02 S 15 04 28.003 -26 44 21.70 – V C57
2021-05-21 23:34:02 s 1 -125733.88 1 +341733.42 1410.0 – C57
2021-05-21 23:54:02 S 15 04 21.262 -26 44 12.41 – V C57
2021-05-21 23:54:02 s 1 -126339.37 9 +341076.73 5470.0 – C57
2021-05-22 00:04:02 S 15 04 17.731 -26 43 58.62 – V C57
2021-05-22 00:04:02 s 1 -126636.72 8 +340752.13 5190.0 – C57
2021-05-22 00:14:02 S 15 04 13.358 -26 43 55.78 – V C57
2021-05-22 00:14:02 s 1 -126938.92 1 +340420.80 5440.0 – C57
2021-05-22 00:24:02 S 15 04 10.164 -26 43 50.45 – V C57
2021-05-22 00:24:02 s 1 -127240.46 5 +340088.74 4030.0 – C57
2021-05-22 00:44:02 S 15 04 03.050 -26 43 38.42 – V C57
2021-05-22 00:44:02 s 1 -127837.10 9 +339427.40 6280.0 – C57
2021-05-22 02:34:02 S 15 03 24.084 -26 42 12.28 – V C57
2021-05-22 02:34:02 s 1 -131098.03 5 +335709.31 7200.0 – C57
2021-05-22 02:44:02 S 15 03 20.546 -26 42 11.88 – V C57
2021-05-22 02:44:02 s 1 -131394.19 2 +335362.72 740.0 – C57
2021-05-22 02:54:02 S 15 03 16.558 -26 41 59.60 – V C57
2021-05-22 02:54:02 s 1 -131689.18 4 +335015.99 1470.0 – C57
2021-05-22 03:04:02 S 15 03 13.342 -26 41 57.37 – V C57
2021-05-22 03:04:02 s 1 -131979.43 1 +334673.34 1510.0 – C57
2021-05-22 03:14:02 S 15 03 09.391 -26 41 49.96 – V C57
2021-05-22 03:14:02 s 1 -132274.37 0 +334323.65 1670.0 – C57
2021-05-22 03:24:02 S 15 03 06.180 -26 41 43.44 – V C57
2021-05-22 03:24:02 s 1 -132568.63 8 +333973.22 120.0 – C57
2021-05-22 03:54:02 S 15 02 55.274 -26 41 22.20 – V C57
2021-05-22 03:54:02 s 1 -133442.05 3 +332924.02 3370.0 – C57
2021-05-22 04:04:02 S 15 02 51.910 -26 41 14.17 – V C57
2021-05-22 04:04:02 s 1 -133731.00 6 +332573.89 9180.0 – C57
2021-05-22 04:24:02 S 15 02 44.820 -26 41 01.07 – V C57
2021-05-22 04:24:02 s 1 -134314.59 9 +331862.09 2600.0 – C57
2021-05-22 04:44:02 S 15 02 37.058 -26 40 44.94 – V C57
2021-05-22 04:44:02 s 1 -134892.22 8 +331151.39 1960.0 – C57
2021-05-22 04:54:02 S 15 02 33.691 -26 40 44.98 – V C57
2021-05-22 04:54:02 s 1 -135182.66 6 +330791.70 9850.0 – C57
2021-05-22 05:04:02 S 15 02 30.007 -26 40 31.04 – V C57
2021-05-22 05:04:02 s 1 -135467.61 8 +330437.26 5450.0 – C57
2021-05-22 05:34:02 S 15 02 19.210 -26 40 12.00 – V C57
2021-05-22 05:34:02 s 1 -136329.70 4 +329355.58 6690.0 – C57
2021-05-22 05:54:02 S 15 02 11.698 -26 39 57.42 – V C57
2021-05-22 05:54:02 s 1 -136905.47 9 +328625.19 8590.0 – C57
2021-05-22 06:04:02 S 15 02 08.184 -26 39 50.72 – V C57
2021-05-22 06:04:02 s 1 -137188.11 8 +328264.29 7680.0 – C57
2021-05-22 06:14:02 S 15 02 04.730 -26 39 43.20 – V C57
2021-05-22 06:14:02 s 1 -137475.28 7 +327896.00 6440.0 – C57