1999 UG

1999UG, A2523, J99U00G

All data for this body: [vot]

MPC data
Name (number) 1999 UG (102523)
a 2.39590
e 0.19416
i / sin(i) 1.9162 / 0.03344
q 1.93072
Q 2.86108
ω 352.2980
Node 28.3806
m 320.7477
n 0.2658
Epoch 2460800.5
nobs 1204
nopp 19
Years observed 1994-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.396
ep 0.163
sin(ip) 0.028
G 0.150
H 16.130
Mass
D 1.76 0.234
pV 0.249 0.0291
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.755
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia -0.3300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3962 0.1627 0.0282 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.76 0.234 0.234 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.249 0.0291 0.0291 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
16.13 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 S 0.1938 0.7660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.22 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8858 0.7660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT