Semiramis

00584, 1906 AC, 1906AC, 1913 AB, 1913AB, 1948 TW, 1948TW, J06A00C, J13A00B, J48T00W

All data for this body: [vot]

MPC data
Name (number) Semiramis (584)
a 2.37417
e 0.23316
i / sin(i) 10.7198 / 0.18601
q 1.82061
Q 2.92772
ω 85.3858
Node 281.9891
m 308.5659
n 0.2694
Epoch 2460800.5
nobs 3902
nopp 60
Years observed 1906-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.373
ep 0.179
sin(ip) 0.211
G 0.150
H 8.470
Mass 1.415e+17 4.768e+16
D 52.62 0.467
pV 0.198 0.0080
Value
Rotational Period 5.060
Period quality 3
Spectral Class Sw
Spectral Class Score 42.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3735 0.1790 0.2114 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.3708e+17 6.7427e+16 6.7427e+16 Fienga INPOP19a Ephem
1.4600e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
47.72 1.758 1.758 Ryan&Woodward 2010AJ....140..933R IRAS-STM
48.69 4.261 4.261 Masiero 2011ApJ...741...68M NEATM
50.56 5.060 5.060 Ali-Lagoa 2018A&A...612A..85A NEATM
52.63 0.530 0.530 Usui 2011PASJ...63.1117U NEATM
54.01 1.400 1.400 Tedesco 2002AJ....123.1056T STM
64.96 6.500 6.500 Ali-Lagoa 2018A&A...612A..85A NEATM
65.27 3.828 3.828 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.138 0.0175 0.0175 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.176 0.0350 0.0350 Ali-Lagoa 2018A&A...612A..85A NEATM
0.199 0.0110 0.0110 Tedesco 2002AJ....123.1056T STM
0.244 0.0600 0.0600 Masiero 2011ApJ...741...68M NEATM
0.256 0.0189 0.0189 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.291 0.0580 0.0580 Ali-Lagoa 2018A&A...612A..85A 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
8.47 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.068 3 Synodic Harris 1992Icar...95..115H Lightcurve
5.068 3 Synodic Weidenschilling 1987Icar...70..191W Lightcurve
5.0687 3 Synodic Behrend LCDB Lightcurve
5.0689 2 Sidereal Magnusson 1990Icar...85..229M Model
5.0689 3 Synodic Connour 2015MPBu...42....4C Lightcurve
5.06892 2 Sidereal Torppa 2003Icar..164..346T Model
5.06893 2 Sidereal Drummond 1988Icar...76...19D Model
5.06893 2 Sidereal Drummond 1991Icar...89...44D Model
5.06893 2 Sidereal Hanus 2011A&A...530A.134H Model
5.06894 2 Sidereal De Angelis 1995P&SS...43..649D Model
5.06895 2 Sidereal Michalowski 1993Icar..106..563M Model
5.06895 2 Sidereal Michalowski 1996Icar..123..456M Model
5.07 3- Synodic Colazo 2021MPBu...48...50C Lightcurve
5.3 2 Synodic Durkee LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Tholen VIS Clark 1995Icar..113..387C PHOT
S 0.982 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Sl Bus VIS Bus 2002Icar..158..146B SPEC
So Howell VISNIR Howell 1994JGR....9910847H PHOT
Sw Bus-DeMeo VISNIR Hasegawa 2017PASJ...69...99H SPEC
Sw Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC