Onotomoko

09599, 1991 UP2, 1991UP2, J91U02P

All data for this body: [vot]

MPC data
Name (number) Onotomoko (9599)
a 2.27867
e 0.13909
i / sin(i) 4.6337 / 0.08079
q 1.96173
Q 2.59561
ω 276.3861
Node 79.0379
m 305.2633
n 0.2865
Epoch 2460800.5
nobs 3896
nopp 23
Years observed 1991-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.278
ep 0.094
sin(ip) 0.066
G 0.150
H 14.040
Mass
D 4.28 0.142
pV 0.302 0.0497
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 11.319
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2784 0.0944 0.0664 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.89 0.640 0.640 Nugent 2016AJ....152...63N NEATM
4.30 0.146 0.146 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.260 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.316 0.0572 0.0572 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
14.04 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 0.960 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9265 0.9265 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT