Seager

09279, 1981 EY12, 1981EY12, J81E12Y

All data for this body: [vot]

MPC data
Name (number) Seager (9279)
a 2.45315
e 0.18615
i / sin(i) 8.3191 / 0.14469
q 1.99650
Q 2.90980
ω 261.7480
Node 209.4014
m 226.9963
n 0.2565
Epoch 2460800.5
nobs 3641
nopp 23
Years observed 1979-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.452
ep 0.209
sin(ip) 0.160
G 0.150
H 14.560
Mass
D 3.77 0.240
pV 0.236 0.0547
Value
Rotational Period 140.730
Period quality 2
Spectral Class S
Spectral Class Score 3.715
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4516 0.2095 0.1598 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.68 0.880 0.880 Nugent 2016AJ....152...63N NEATM
3.76 0.252 0.252 Masiero 2011ApJ...741...68M NEATM
4.56 1.850 1.850 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.177 0.1820 0.1820 Masiero 2012ApJ...759L...8M NEATM
0.180 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM
0.261 0.0653 0.0653 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
14.56 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
140.739 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
LS 0.43 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.6191 0.6191 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT