1998 KN55

1998KN55, 1999 RR128, 1999RR128, 35643, J98K55N, J99RC8R

All data for this body: [vot]

MPC data
Name (number) 1998 KN55 (35643)
a 2.79363
e 0.13486
i / sin(i) 9.0507 / 0.15731
q 2.41688
Q 3.17037
ω 279.3069
Node 176.7847
m 68.1839
n 0.2111
Epoch 2460800.5
nobs 3500
nopp 22
Years observed 1998-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.794
ep 0.139
sin(ip) 0.159
G 0.150
H 13.670
Mass
D 5.06 0.222
pV 0.397 0.0771
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 13.093
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 0 Gefion Novakovic 2019EPSC...13.1671N HCM
1272 Gefion 516 Gefion 0.2800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7942 0.1388 0.1588 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.06 0.222 0.222 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.397 0.0771 0.0771 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.67 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.48 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8125 0.8380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8763 0.8380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT