1997 US17

1997US17, 1999 GC18, 1999GC18, 33057, J97U17S, J99G18C

All data for this body: [vot]

MPC data
Name (number) 1997 US17 (33057)
a 2.31191
e 0.06057
i / sin(i) 5.1911 / 0.09048
q 2.17187
Q 2.45195
ω 173.7588
Node 70.7346
m 95.5078
n 0.2804
Epoch 2460800.5
nobs 3228
nopp 21
Years observed 1997-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.312
ep 0.079
sin(ip) 0.078
G 0.150
H 14.960
Mass
D 3.64 0.118
pV 0.212 0.0614
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 3.768
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3124 0.0794 0.0781 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.64 0.118 0.118 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.212 0.0614 0.0614 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
14.96 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
X 0.628 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT