1997 UT22

1997UT22, 1991 RO15, 1991RO15, 42599, J91R15O, J97U22T

All data for this body: [vot]

MPC data
Name (number) 1997 UT22 (42599)
a 3.19108
e 0.23365
i / sin(i) 6.0392 / 0.10521
q 2.44547
Q 3.93669
ω 22.3554
Node 344.2545
m 327.6567
n 0.1729
Epoch 2460800.5
nobs 2464
nopp 23
Years observed 1991-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.170
ep 0.223
sin(ip) 0.115
G 0.150
H 13.560
Mass
D 11.93 0.101
pV 0.049 0.0075
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 9.947
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1702 0.2228 0.1147 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.92 0.101 0.101 Masiero 2011ApJ...741...68M NEATM
14.63 3.740 3.740 Masiero 2021PSJ.....2..162M NEATM
15.04 6.330 6.330 Masiero 2021PSJ.....2..162M NEATM
15.42 3.670 3.670 Masiero 2021PSJ.....2..162M NEATM
15.91 5.810 5.810 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.031 0.0160 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.032 0.0110 0.0170 Masiero 2021PSJ.....2..162M NEATM
0.033 0.0120 0.0190 Masiero 2021PSJ.....2..162M NEATM
0.086 0.0135 0.0135 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
13.56 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 X 0.3192 0.4330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.990 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.6679 0.4330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT