1997 UM5

1997UM5, 17704, 1986 EX3, 1986EX3, 1999 DC1, 1999DC1, J86E03X, J97U05M, J99D01C

All data for this body: [vot]

MPC data
Name (number) 1997 UM5 (17704)
a 2.21455
e 0.17375
i / sin(i) 4.5261 / 0.07891
q 1.82978
Q 2.59933
ω 221.2407
Node 29.6317
m 255.4643
n 0.2991
Epoch 2460800.5
nobs 2476
nopp 22
Years observed 1986-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.213
ep 0.177
sin(ip) 0.073
G 0.150
H 15.240
Mass
D 2.33 0.177
pV 0.248 0.0472
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 15.537
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2135 0.1767 0.0727 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.33 0.177 0.177 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.248 0.0472 0.0472 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
15.24 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
L S 0.4631 0.7500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.94 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.946 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9969 0.7500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT