Michiko

06499, 1985 BB1, 1985BB1, 1987 SU29, 1987SU29, 1987 UJ9, 1987UJ9, 1992 UV6, 1992UV6, J85B01B, J87S29U, J87U09J, J92U06V

All data for this body: [vot]

MPC data
Name (number) Michiko (6499)
a 2.76599
e 0.14040
i / sin(i) 10.0566 / 0.17462
q 2.37764
Q 3.15434
ω 222.0568
Node 65.7382
m 137.4786
n 0.2143
Epoch 2460800.5
nobs 5514
nopp 27
Years observed 1951-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.763
ep 0.142
sin(ip) 0.158
G 0.150
H 12.580
Mass
D 9.05 0.062
pV 0.279 0.0405
Value
Rotational Period 6.000
Period quality 2
Spectral Class S
Spectral Class Score 2.112
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion -0.9200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7630 0.1419 0.1576 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.92 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
9.54 0.137 0.137 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.257 0.0692 0.0692 Masiero 2011ApJ...741...68M NEATM
0.290 0.0500 0.0500 Masiero 2014ApJ...791..121M 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
12.58 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.004 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
6.004 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
6.004538 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.352 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT