1998 UC4

1998UC4, 13359, 1972 RK1, 1972RK1, 1981 UY22, 1981UY22, 1984 OM, 1984OM, J72R01K, J81U22Y, J84O00M, J98U04C

All data for this body: [vot]

MPC data
Name (number) 1998 UC4 (13359)
a 2.62738
e 0.16996
i / sin(i) 12.2345 / 0.21191
q 2.18083
Q 3.07393
ω 67.0490
Node 209.0523
m 193.0334
n 0.2314
Epoch 2460800.5
nobs 5056
nopp 24
Years observed 1972-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.626
ep 0.162
sin(ip) 0.223
G 0.150
H 13.280
Mass
D 6.79 0.050
pV 0.238 0.0190
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 16.811
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.2300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6261 0.1617 0.2230 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.14 0.370 0.370 Masiero 2012ApJ...759L...8M NEATM
6.79 0.064 0.064 Masiero 2011ApJ...741...68M NEATM
6.82 0.080 0.080 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.220 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.221 0.0260 0.0260 Masiero 2011ApJ...741...68M NEATM
0.295 0.0390 0.0390 Masiero 2012ApJ...759L...8M 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
13.28 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
A S 0.0398 0.3760 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6082 0.3760 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6823 0.3760 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7467 0.3760 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7646 0.3760 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT