2001 US90

2001US90, 94512, K01U90S

All data for this body: [vot]

MPC data
Name (number) 2001 US90 (94512)
a 2.31622
e 0.15502
i / sin(i) 5.0408 / 0.08786
q 1.95716
Q 2.67527
ω 127.9055
Node 61.9741
m 101.9829
n 0.2796
Epoch 2460800.5
nobs 1504
nopp 20
Years observed 1994-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.317
ep 0.197
sin(ip) 0.075
G 0.150
H 15.650
Mass
D 2.43 0.054
pV 0.206 0.0487
Value
Rotational Period 39.731
Period quality 2
Spectral Class L
Spectral Class Score 1.758
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3165 0.1969 0.0747 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.43 0.054 0.054 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.206 0.0487 0.0487 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
15.65 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
39.7318 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
L 0.293 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT