Suomi

01656, 1942 EC, 1942EC, 1955 HL, 1955HL, J42E00C, J55H00L

All data for this body: [vot]

MPC data
Name (number) Suomi (1656)
a 1.87777
e 0.12322
i / sin(i) 25.0656 / 0.42366
q 1.64638
Q 2.10915
ω 287.5039
Node 175.5132
m 167.3278
n 0.3830
Epoch 2460800.5
nobs 7728
nopp 30
Years observed 1942-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.878
ep 0.099
sin(ip) 0.410
G 0.150
H 12.910
Mass
D 7.88 0.388
pV 0.178 0.0179
Value
Rotational Period 2.588
Period quality 3
Spectral Class Sw
Spectral Class Score 21.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.8776 0.0991 0.4101 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.24 1.150 1.150 Nugent 2016AJ....152...63N NEATM
7.86 0.700 0.700 Tedesco 2002AJ....123.1056T STM
7.90 1.200 1.200 Ali-Lagoa 2017A&A...603A..55A NEATM
8.00 1.200 1.200 Ali-Lagoa 2017A&A...603A..55A NEATM
8.10 1.200 1.200 Ali-Lagoa 2017A&A...603A..55A NEATM
8.40 1.300 1.300 Ali-Lagoa 2017A&A...603A..55A NEATM
8.50 1.300 1.300 Ali-Lagoa 2017A&A...603A..55A NEATM
8.50 1.300 1.300 Ali-Lagoa 2017A&A...603A..55A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.156 0.0320 0.0320 Tedesco 2002AJ....123.1056T STM
0.170 0.0500 0.0500 Ali-Lagoa 2017A&A...603A..55A NEATM
0.170 0.0500 0.0500 Ali-Lagoa 2017A&A...603A..55A NEATM
0.170 0.0500 0.0500 Ali-Lagoa 2017A&A...603A..55A NEATM
0.190 0.0600 0.0600 Ali-Lagoa 2017A&A...603A..55A NEATM
0.190 0.0600 0.0600 Ali-Lagoa 2017A&A...603A..55A NEATM
0.200 0.0600 0.0600 Ali-Lagoa 2017A&A...603A..55A NEATM
0.320 0.0900 0.0900 Nugent 2016AJ....152...63N 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
12.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.42 2 Synodic Wisniewski 1997Icar..126..395W Lightcurve
2.583 3 Synodic Warner 2009MPBu...36..109W Lightcurve
2.587 3 Synodic Warner 2017MPBu...44..289W Lightcurve
2.5879 3 Synodic Warner 2012MPBu...39..245W Lightcurve
2.5879 3 Synodic Warner 2016MPBu...43...57W Lightcurve
2.5885 3 Synodic Warner 2020MPBu...47..305W Lightcurve
2.589 3 Synodic Franco 2022MPBu...49..342F Lightcurve
2.59 2 Synodic Brinsfield 2008MPBu...35...23B Lightcurve
2.59 2 Synodic Stephens 2004MPBu...31...95S Lightcurve
2.59 3 Synodic Warner 2014MPBu...41..144W Lightcurve
62.16 0 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A Tholen VIS Lazzaro 2004Icar..172..179L SPEC
L L 0.6552 0.6552 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Ld Bus VIS Lazzaro 2004Icar..172..179L SPEC
S-complex Bus VISNIR Sanchez 2013Icar..225..131S SPEC
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Sl Bus VIS Angeli 2002A&A...391..757A SPEC
Sw Bus-DeMeo VISNIR Lucas 2019Icar..322..227L SPEC