1997 VG4

1997VG4, 1991 VD8, 1991VD8, 27989, J91V08D, J97V04G

All data for this body: [vot]

MPC data
Name (number) 1997 VG4 (27989)
a 3.18255
e 0.17836
i / sin(i) 2.0350 / 0.03551
q 2.61490
Q 3.75020
ω 8.9087
Node 136.1386
m 237.1252
n 0.1736
Epoch 2460800.5
nobs 2154
nopp 23
Years observed 1991-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.203
ep 0.185
sin(ip) 0.022
G 0.150
H 13.650
Mass
D 11.15 0.112
pV 0.059 0.0060
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2029 0.1847 0.0217 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.15 0.112 0.112 Masiero 2011ApJ...741...68M NEATM
9.87 2.110 2.110 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.059 0.0060 0.0060 Masiero 2011ApJ...741...68M NEATM
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N 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
13.65 MPC-2023-12-04 MPC-2023-12-04 Phot