Chichibu

06991, 1941 QB, 1941QB, 1958 DB, 1958DB, 1965 AS, 1965AS, 1985 KZ, 1985KZ, 1995 AX, 1995AX, J41Q00B, J58D00B, J65A00S, J85K00Z, J95A00X

All data for this body: [vot]

MPC data
Name (number) Chichibu (6991)
a 2.40043
e 0.20383
i / sin(i) 5.7634 / 0.10042
q 1.91114
Q 2.88972
ω 229.1361
Node 131.5065
m 154.8542
n 0.2650
Epoch 2460800.5
nobs 5122
nopp 25
Years observed 1965-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.402
ep 0.165
sin(ip) 0.088
G 0.150
H 12.950
Mass
D 4.46 0.863
pV 0.808 0.1628
Value
Rotational Period 9.492
Period quality 3
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4016 0.1645 0.0879 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.46 0.863 0.863 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.808 0.1628 0.1628 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
12.95 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.4921 3 Synodic Behrend LCDB Lightcurve
9.4926 2 Sidereal Durech 2023A&A...675A..24D Model