Weems

12196, 1978 EO8, 1978EO8, 1979 MM8, 1979MM8, 1987 SX12, 1987SX12, J78E08O, J79M08M, J87S12X

All data for this body: [vot]

MPC data
Name (number) Weems (12196)
a 2.45074
e 0.12435
i / sin(i) 3.6532 / 0.06372
q 2.14599
Q 2.75550
ω 154.2024
Node 178.2230
m 312.2763
n 0.2569
Epoch 2460800.5
nobs 2647
nopp 24
Years observed 1979-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.451
ep 0.093
sin(ip) 0.066
G 0.150
H 14.750
Mass
D 3.52 0.157
pV 0.206 0.0274
Value
Rotational Period
Period quality None
Spectral Class A
Spectral Class Score 2.708
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4507 0.0929 0.0657 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.52 0.157 0.157 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.206 0.0274 0.0274 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
14.75 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
A A 0.4513 0.4513 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT