Kigoyama

16449, 1987 KY4, 1987KY4, 1989 SO, 1989SO, J87K04Y, J89S00O

All data for this body: [vot]

MPC data
Name (number) Kigoyama (16449)
a 3.17806
e 0.17288
i / sin(i) 4.8892 / 0.08523
q 2.62865
Q 3.72747
ω 149.4536
Node 253.8947
m 82.5421
n 0.1740
Epoch 2460800.5
nobs 3688
nopp 27
Years observed 1951-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.193
ep 0.137
sin(ip) 0.104
G 0.150
H 12.780
Mass
D 15.97 0.324
pV 0.077 0.0139
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.784
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1934 0.1368 0.1036 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.82 2.760 2.760 Ali-Lagoa 2018A&A...612A..85A NEATM
15.53 0.610 0.610 Usui 2011PASJ...63.1117U NEATM
16.19 0.389 0.389 Masiero 2011ApJ...741...68M NEATM
16.69 3.340 3.340 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.058 0.0230 0.0230 Ali-Lagoa 2018A&A...612A..85A NEATM
0.084 0.0340 0.0340 Ali-Lagoa 2018A&A...612A..85A NEATM
0.089 0.0202 0.0202 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
12.78 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
D 0.78 Bus VIS Carvano 2010A&A...510A..43C PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.964 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT