Jennalynn

12209, 1981 EF37, 1981EF37, 1990 MH, 1990MH, J81E37F, J90M00H

All data for this body: [vot]

MPC data
Name (number) Jennalynn (12209)
a 2.54648
e 0.12494
i / sin(i) 15.1460 / 0.26128
q 2.22832
Q 2.86464
ω 297.0487
Node 1.5903
m 198.2437
n 0.2425
Epoch 2460800.5
nobs 4507
nopp 24
Years observed 1981-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.547
ep 0.091
sin(ip) 0.265
G 0.150
H 13.070
Mass
D 6.60 0.113
pV 0.364 0.0492
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.643
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5472 0.0911 0.2645 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.42 0.231 0.231 Masiero 2011ApJ...741...68M NEATM
6.66 0.130 0.130 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.331 0.0570 0.0570 Masiero 2012ApJ...759L...8M NEATM
0.460 0.0974 0.0974 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
13.07 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
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
LS 0.69 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.6081 0.6081 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT