1998 UR40

1998UR40, 2002 SG55, 2002SG55, H5765, J98U40R, K02S55G

All data for this body: [vot]

MPC data
Name (number) 1998 UR40 (175765)
a 2.60815
e 0.22867
i / sin(i) 3.9345 / 0.06862
q 2.01176
Q 3.20455
ω 200.5627
Node 236.9445
m 76.5501
n 0.2340
Epoch 2460800.5
nobs 665
nopp 17
Years observed 1960-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.609
ep 0.201
sin(ip) 0.080
G 0.150
H 16.580
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 6.218
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6086 0.2009 0.0803 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
16.58 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
SV 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT
V V 0.0408 0.4890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.4805 0.4890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.5150 0.4890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT