Micheleferrero

08454, 1981 EG1, 1981EG1, 1981 EU1, 1981EU1, 1981 GC1, 1981GC1, 1987 UZ9, 1987UZ9, 1989 CT1, 1989CT1, J81E01G, J81E01U, J81G01C, J87U09Z, J89C01T

All data for this body: [vot]

MPC data
Name (number) Micheleferrero (8454)
a 2.61433
e 0.06808
i / sin(i) 3.6153 / 0.06306
q 2.43634
Q 2.79231
ω 228.1849
Node 21.6717
m 100.5823
n 0.2332
Epoch 2460800.5
nobs 4059
nopp 27
Years observed 1981-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.615
ep 0.101
sin(ip) 0.058
G 0.150
H 13.690
Mass
D 10.03 0.122
pV 0.059 0.0064
Value
Rotational Period 6.720
Period quality 2
Spectral Class X
Spectral Class Score 15.918
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6155 0.1010 0.0580 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.01 2.830 2.830 Masiero 2021PSJ.....2..162M NEATM
10.07 2.780 2.780 Masiero 2021PSJ.....2..162M NEATM
10.86 3.341 3.341 Masiero 2017AJ....154..168M NEATM
10.90 0.810 0.810 Usui 2011PASJ...63.1117U NEATM
10.98 2.860 2.860 Nugent 2016AJ....152...63N NEATM
11.14 2.800 2.800 Masiero 2021PSJ.....2..162M NEATM
11.32 2.260 2.260 Ali-Lagoa 2018A&A...612A..85A NEATM
11.87 3.280 3.280 Nugent 2016AJ....152...63N NEATM
9.58 2.790 2.790 Masiero 2021PSJ.....2..162M NEATM
10.00 0.124 0.124 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.050 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.052 0.0220 0.0390 Masiero 2021PSJ.....2..162M NEATM
0.055 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.060 0.0320 0.0320 Masiero 2017AJ....154..168M NEATM
0.061 0.0076 0.0076 Masiero 2011ApJ...741...68M NEATM
0.063 0.0270 0.0470 Masiero 2021PSJ.....2..162M NEATM
0.064 0.0290 0.0550 Masiero 2021PSJ.....2..162M NEATM
0.070 0.0380 0.0850 Masiero 2021PSJ.....2..162M 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
13.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.7117 2 Sidereal Durech 2023A&A...675A..24D Model
6.71191 2 Sidereal Durech 2018A&A...617A..57D Model
6.727 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.960 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.5759 0.6990 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.7838 0.6990 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT