Hyakutake

07291, 1974 VE3, 1974VE3, 1974 WO1, 1974WO1, 1987 AP, 1987AP, 1991 XC1, 1991XC1, J74V03E, J74W01O, J87A00P, J91X01C

All data for this body: [vot]

MPC data
Name (number) Hyakutake (7291)
a 3.12527
e 0.23389
i / sin(i) 8.4106 / 0.14627
q 2.39430
Q 3.85624
ω 303.1382
Node 83.9267
m 41.0670
n 0.1784
Epoch 2460800.5
nobs 4660
nopp 28
Years observed 1974-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.127
ep 0.196
sin(ip) 0.128
G 0.150
H 12.150
Mass
D 16.19 0.370
pV 0.097 0.0211
Value
Rotational Period 198.740
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1266 0.1963 0.1284 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.93 0.395 0.395 Masiero 2011ApJ...741...68M NEATM
17.51 4.690 4.690 Masiero 2020PSJ.....1....5M NEATM
17.98 1.120 1.120 Usui 2011PASJ...63.1117U NEATM
18.62 3.720 3.720 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.070 0.0540 0.0540 Masiero 2020PSJ.....1....5M NEATM
0.082 0.0330 0.0330 Ali-Lagoa 2018A&A...612A..85A NEATM
0.121 0.0318 0.0318 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
12.15 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
198.743 2 Synodic Pal 2020ApJS..247...26P Lightcurve