1999 UT38

1999UT38, 1993 RK15, 1993RK15, 41023, J93R15K, J99U38T

All data for this body: [vot]

MPC data
Name (number) 1999 UT38 (41023)
a 3.21297
e 0.12193
i / sin(i) 4.2835 / 0.07469
q 2.82120
Q 3.60474
ω 89.4087
Node 339.2869
m 130.4905
n 0.1711
Epoch 2460800.5
nobs 1776
nopp 21
Years observed 1993-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.208
ep 0.116
sin(ip) 0.090
G 0.150
H 14.240
Mass
D 7.24 0.147
pV 0.093 0.0154
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.745
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
3.2076 0.1162 0.0904 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.24 0.147 0.147 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.093 0.0154 0.0154 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
14.24 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 C 0.2909 0.2909 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
CX 0.19 Bus VIS Carvano 2010A&A...510A..43C PHOT