2009 UW121

2009UW121, 2007 HY56, 2007HY56, K07H56Y, K09UC1W, T6775

All data for this body: [vot]

MPC data
Name (number) 2009 UW121 (296775)
a 3.10056
e 0.15036
i / sin(i) 16.7233 / 0.28775
q 2.63436
Q 3.56676
ω 232.8679
Node 168.6487
m 297.7621
n 0.1805
Epoch 2460800.5
nobs 368
nopp 14
Years observed 1998-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.096
ep 0.129
sin(ip) 0.283
G 0.150
H 15.900
Mass
D 4.41 0.291
pV 0.043 0.0080
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 2.115
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0964 0.1290 0.2828 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.41 0.291 0.291 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0080 0.0080 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
15.90 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
B X 0.1974 0.2110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.1081 0.2110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3525 0.2110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT