Woolum

07550, 1981 EV8, 1981EV8, J81E08V

All data for this body: [vot]

MPC data
Name (number) Woolum (7550)
a 2.29089
e 0.19532
i / sin(i) 5.5316 / 0.09639
q 1.84343
Q 2.73836
ω 135.4554
Node 212.0768
m 96.8723
n 0.2842
Epoch 2460800.5
nobs 3553
nopp 26
Years observed 1978-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.290
ep 0.149
sin(ip) 0.110
G 0.150
H 14.610
Mass
D 3.07 0.040
pV 0.213 0.0296
Value
Rotational Period 3.140
Period quality 3-
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.6200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2902 0.1494 0.1099 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.07 0.040 0.040 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.213 0.0296 0.0296 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
14.61 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.14 2 Synodic Binzel 1992Icar...99..225B Lightcurve
3.142 3- Synodic Warner 2018MPBu...45...39W Lightcurve
3.14214 2 Synodic Pal 2020ApJS..247...26P Lightcurve
3.143 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
3.143 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.14323 2 Sidereal Durech 2023A&A...675A..24D Model