Kojiki

05454, 1974 RE, 1974RE, 1977 EW5, 1977EW5, 1988 CC6, 1988CC6, 1991 PF16, 1991PF16, J74R00E, J77E05W, J88C06C, J91P16F

All data for this body: [vot]

MPC data
Name (number) Kojiki (5454)
a 3.16162
e 0.13005
i / sin(i) 5.4323 / 0.09467
q 2.75044
Q 3.57279
ω 89.7666
Node 335.8843
m 287.9713
n 0.1753
Epoch 2460800.5
nobs 3667
nopp 30
Years observed 1974-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.161
ep 0.114
sin(ip) 0.110
G 0.150
H 12.670
Mass
D 16.75 0.194
pV 0.046 0.0078
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 13.437
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
52 Europa -1 Europa -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
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
3.1612 0.1143 0.1097 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.18 4.350 4.350 Nugent 2016AJ....152...63N NEATM
15.68 4.470 4.470 Nugent 2016AJ....152...63N NEATM
16.76 0.194 0.194 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0080 0.0080 Masiero 2011ApJ...741...68M NEATM
0.060 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.080 0.0600 0.0600 Nugent 2016AJ....152...63N 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
12.67 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.58 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.973 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.7399 0.5010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.3359 0.5010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT