1994 UM1

1994UM1, 13611, 1932 RJ, 1932RJ, 1986 WF2, 1986WF2, J32R00J, J86W02F, J94U01M

All data for this body: [vot]

MPC data
Name (number) 1994 UM1 (13611)
a 2.56560
e 0.19717
i / sin(i) 3.4017 / 0.05934
q 2.05975
Q 3.07144
ω 69.6623
Node 249.9309
m 209.7394
n 0.2398
Epoch 2460800.5
nobs 2919
nopp 26
Years observed 1932-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.566
ep 0.173
sin(ip) 0.079
G 0.150
H 13.970
Mass
D 4.36 0.087
pV 0.318 0.0329
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 11.453
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5659 0.1728 0.0790 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.22 0.110 0.110 Masiero 2012ApJ...759L...8M NEATM
4.58 0.142 0.142 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.294 0.0578 0.0578 Masiero 2011ApJ...741...68M NEATM
0.329 0.0400 0.0400 Masiero 2012ApJ...759L...8M 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
13.97 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 0.961 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9478 0.6630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT