1999 GW42

1999GW42, 2000 UJ55, 2000UJ55, 38078, J99G42W, K00U55J

All data for this body: [vot]

MPC data
Name (number) 1999 GW42 (38078)
a 2.28997
e 0.23161
i / sin(i) 5.8638 / 0.10216
q 1.75958
Q 2.82035
ω 217.3562
Node 99.3080
m 97.0856
n 0.2844
Epoch 2460800.5
nobs 2655
nopp 21
Years observed 1993-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.289
ep 0.190
sin(ip) 0.086
G 0.150
H 15.100
Mass
D 5.68 0.016
pV 0.063 0.0112
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.829
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2886 0.1904 0.0855 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.46 1.150 1.150 Masiero 2020PSJ.....1....5M NEATM
4.90 1.240 1.240 Masiero 2021PSJ.....2..162M NEATM
4.95 1.400 1.400 Masiero 2020PSJ.....1....5M NEATM
5.62 1.460 1.460 Masiero 2012ApJ...759L...8M NEATM
5.68 0.016 0.016 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.061 0.0136 0.0136 Masiero 2011ApJ...741...68M NEATM
0.062 0.0260 0.0440 Masiero 2021PSJ.....2..162M NEATM
0.065 0.0330 0.0330 Masiero 2012ApJ...759L...8M NEATM
0.072 0.0490 0.0490 Masiero 2020PSJ.....1....5M NEATM
0.087 0.0500 0.0500 Masiero 2020PSJ.....1....5M 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
15.10 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
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C C 0.8049 0.8049 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT