Malcolmjozoff

1999 UA39, 1999UA39, 91870, J99U39A

All data for this body: [vot]

MPC data
Name (number) Malcolmjozoff (91870)
a 2.84517
e 0.14294
i / sin(i) 9.3574 / 0.16259
q 2.43849
Q 3.25186
ω 325.5709
Node 0.4313
m 158.7877
n 0.2054
Epoch 2460800.5
nobs 1770
nopp 20
Years observed 1999-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.846
ep 0.117
sin(ip) 0.165
G 0.150
H 14.500
Mass
D 5.11 0.281
pV 0.089 0.0139
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 4.999
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8457 0.1170 0.1645 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.11 0.281 0.281 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.089 0.0139 0.0139 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
14.50 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 X 0.3294 0.5400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.1432 0.5400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6900 0.5400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
XL 0.14 Bus VIS Carvano 2010A&A...510A..43C PHOT