1999 UL4

1999UL4, 38528, J99U04L

All data for this body: [vot]

MPC data
Name (number) 1999 UL4 (38528)
a 3.06726
e 0.06603
i / sin(i) 8.6472 / 0.15035
q 2.86472
Q 3.26980
ω 21.9544
Node 252.0142
m 27.8650
n 0.1835
Epoch 2460800.5
nobs 2460
nopp 22
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.068
ep 0.076
sin(ip) 0.168
G 0.150
H 13.680
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 3.882
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos 0.6500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0678 0.0759 0.1682 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
13.68 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
X 0.647 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT