Effertz

08789, 1978 VZ7, 1978VZ7, 1981 EU31, 1981EU31, J78V07Z, J81E31U

All data for this body: [vot]

MPC data
Name (number) Effertz (8789)
a 3.08209
e 0.21596
i / sin(i) 1.0536 / 0.01839
q 2.41648
Q 3.74770
ω 303.4470
Node 23.1273
m 281.9181
n 0.1822
Epoch 2460800.5
nobs 2143
nopp 28
Years observed 1978-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.086
ep 0.188
sin(ip) 0.023
G 0.150
H 14.120
Mass
D 8.48 0.110
pV 0.074 0.0091
Value
Rotational Period 5.270
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0863 0.1877 0.0230 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.26 2.320 2.320 Nugent 2016AJ....152...63N NEATM
8.49 0.110 0.110 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.070 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.074 0.0092 0.0092 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
14.12 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.75402 2 Sidereal Durech 2023A&A...675A..24D Model
5.277 2 Synodic Waszczak 2015AJ....150...75W Lightcurve