Siegbahn

10446, 1987 VA, 1987VA, 1990 RL12, 1990RL12, 3006 T-3, 3006T-3, J87V00A, J90R12L, T3S3006

All data for this body: [vot]

MPC data
Name (number) Siegbahn (10446)
a 2.22268
e 0.11528
i / sin(i) 6.7097 / 0.11684
q 1.96644
Q 2.47892
ω 350.4667
Node 32.5235
m 123.8292
n 0.2974
Epoch 2460800.5
nobs 5181
nopp 24
Years observed 1977-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.223
ep 0.099
sin(ip) 0.108
G 0.150
H 14.560
Mass
D 8.84 0.039
pV 0.046 0.0041
Value
Rotational Period 5.600
Period quality 2
Spectral Class D
Spectral Class Score 18.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2231 0.0990 0.1081 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.85 2.190 2.190 Masiero 2021PSJ.....2..162M NEATM
7.04 2.130 2.130 Masiero 2020PSJ.....1....5M NEATM
7.34 1.940 1.940 Masiero 2021PSJ.....2..162M NEATM
7.38 1.990 1.990 Nugent 2016AJ....152...63N NEATM
7.40 1.740 1.740 Masiero 2021PSJ.....2..162M NEATM
7.47 1.610 1.610 Masiero 2020PSJ.....1....5M NEATM
7.87 1.720 1.720 Masiero 2021PSJ.....2..162M NEATM
7.94 2.230 2.230 Masiero 2012ApJ...759L...8M NEATM
8.84 0.039 0.039 Masiero 2011ApJ...741...68M NEATM
9.04 0.420 0.420 Usui 2011PASJ...63.1117U NEATM
9.46 0.950 0.950 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.041 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.047 0.0170 0.0280 Masiero 2021PSJ.....2..162M NEATM
0.047 0.0052 0.0052 Masiero 2011ApJ...741...68M NEATM
0.050 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.050 0.0220 0.0410 Masiero 2021PSJ.....2..162M NEATM
0.056 0.0270 0.0270 Masiero 2020PSJ.....1....5M NEATM
0.057 0.0250 0.0450 Masiero 2021PSJ.....2..162M NEATM
0.058 0.0410 0.0410 Masiero 2012ApJ...759L...8M NEATM
0.062 0.0760 0.0760 Masiero 2020PSJ.....1....5M NEATM
0.065 0.0330 0.0670 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
14.56 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.68 2 Synodic Podlewska 2021ApJS..255....4P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Bus-DeMeo NIR Arredondo 2021Icar..36814619A SPEC