1974 FD

1974FD, 07975, 1950 TK1, 1950TK1, 1974 HK, 1974HK, 1981 SX4, 1981SX4, 1986 RS7, 1986RS7, 1988 AO4, 1988AO4, J50T01K, J74F00D, J74H00K, J81S04X, J86R07S, J88A04O

All data for this body: [vot]

MPC data
Name (number) 1974 FD (7975)
a 2.99892
e 0.07173
i / sin(i) 10.1886 / 0.17689
q 2.78381
Q 3.21403
ω 278.7385
Node 355.4940
m 221.4523
n 0.1898
Epoch 2460800.5
nobs 7547
nopp 25
Years observed 1950-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.999
ep 0.081
sin(ip) 0.184
G 0.150
H 12.810
Mass
D 10.77 0.169
pV 0.167 0.0385
Value
Rotational Period 5.730
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.5800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9988 0.0814 0.1845 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.77 0.169 0.169 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.167 0.0385 0.0385 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
12.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.12599 2 Sidereal Durech 2020A&A...643A..59D Model
5.739 2 Synodic Waszczak 2015AJ....150...75W Lightcurve