1999 UD42

1999UD42, 1999 UF55, 1999UF55, 43011, J99U42D, J99U55F

All data for this body: [vot]

MPC data
Name (number) 1999 UD42 (43011)
a 2.20192
e 0.18546
i / sin(i) 3.8996 / 0.06801
q 1.79356
Q 2.61028
ω 54.6388
Node 265.9385
m 337.8098
n 0.3016
Epoch 2460800.5
nobs 2240
nopp 21
Years observed 1996-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.202
ep 0.121
sin(ip) 0.078
G 0.150
H 15.290
Mass
D 2.37 0.417
pV 0.239 0.0687
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 21.067
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
298 Baptistina 0 Baptistina Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2018 0.1210 0.0780 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.37 0.417 0.417 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.239 0.0687 0.0687 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
15.29 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 0.2596 0.8640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.36 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.110 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.4665 0.8640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6398 0.8640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9791 0.8640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9825 0.8640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT