1999 UC18

1999UC18, A2551, J99U18C

All data for this body: [vot]

MPC data
Name (number) 1999 UC18 (102551)
a 2.52085
e 0.09980
i / sin(i) 10.3592 / 0.17982
q 2.26927
Q 2.77242
ω 49.5965
Node 33.4261
m 82.2208
n 0.2463
Epoch 2460800.5
nobs 864
nopp 15
Years observed 1995-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.520
ep 0.096
sin(ip) 0.172
G 0.150
H 16.230
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 35.848
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5196 0.0960 0.1720 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
16.23 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
S 0.657 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.0473 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.1657 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.2358 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.3383 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6365 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6968 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7391 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7683 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8158 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8741 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1255 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1889 0.6880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT