1999 VG18

1999VG18, 1994 NS4, 1994NS4, 70740, J94N04S, J99V18G

All data for this body: [vot]

MPC data
Name (number) 1999 VG18 (70740)
a 2.65815
e 0.14786
i / sin(i) 1.5571 / 0.02717
q 2.26511
Q 3.05118
ω 74.4610
Node 287.8789
m 342.3993
n 0.2274
Epoch 2460800.5
nobs 640
nopp 21
Years observed 1994-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.658
ep 0.107
sin(ip) 0.047
G 0.150
H 16.000
Mass
D 4.48 0.428
pV 0.031 0.0102
Value
Rotational Period 4.500
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6581 0.1074 0.0470 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.44 0.456 0.456 Masiero 2011ApJ...741...68M NEATM
4.81 1.249 1.249 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.028 0.0196 0.0196 Masiero 2017AJ....154..168M NEATM
0.033 0.0119 0.0119 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
16.00 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.53 2 Synodic Chang 2015ApJS..219...27C Lightcurve