1998 US

1998US, A1364, J98U00S

All data for this body: [vot]

MPC data
Name (number) 1998 US (101364)
a 2.38417
e 0.28905
i / sin(i) 12.7703 / 0.22104
q 1.69504
Q 3.07331
ω 55.0533
Node 226.0130
m 141.5234
n 0.2677
Epoch 2460800.5
nobs 1752
nopp 17
Years observed 1998-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.392
ep 0.256
sin(ip) 0.234
G 0.150
H 15.360
Mass
D 3.24 0.348
pV 0.104 0.0218
Value
Rotational Period 157.310
Period quality 2
Spectral Class B
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3917 0.2558 0.2341 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.13 0.430 0.430 Masiero 2021PSJ.....2..162M NEATM
3.27 0.827 0.827 Masiero 2017AJ....154..168M NEATM
3.64 0.850 0.850 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.088 0.0368 0.0368 Masiero 2017AJ....154..168M NEATM
0.088 0.0398 0.0398 Masiero 2017AJ....154..168M NEATM
0.133 0.0320 0.0420 Masiero 2021PSJ.....2..162M 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
15.36 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
157.315 2 Synodic Pal 2020ApJS..247...26P Lightcurve
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 Choi 2023PSJ.....4...49C PHOT