Medusa

00149, 1875 SA, 1875SA, 1905 BA, 1905BA, 1906 HB, 1906HB, I75S00A, J05B00A, J06H00B

All data for this body: [vot]

MPC data
Name (number) Medusa (149)
a 2.17482
e 0.06499
i / sin(i) 0.9401 / 0.01641
q 2.03349
Q 2.31615
ω 250.5929
Node 159.6128
m 184.1022
n 0.3073
Epoch 2460800.5
nobs 5202
nopp 58
Years observed 1891-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.175
ep 0.082
sin(ip) 0.015
G 0.150
H 10.530
Mass
D 21.89 0.193
pV 0.227 0.0117
Value
Rotational Period 26.020
Period quality 3
Spectral Class S
Spectral Class Score 20.493
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1747 0.0818 0.0153 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.89 0.558 0.558 Ryan&Woodward 2010AJ....140..933R IRAS-STM
19.75 0.900 0.900 Tedesco 2002AJ....123.1056T STM
21.41 0.350 0.350 Usui 2011PASJ...63.1117U NEATM
23.15 2.035 2.035 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
23.72 0.270 0.270 Masiero 2012ApJ...759L...8M NEATM
24.45 2.450 2.450 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.152 0.0300 0.0300 Masiero 2012ApJ...759L...8M NEATM
0.167 0.0246 0.0246 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.192 0.0380 0.0380 Ali-Lagoa 2018A&A...612A..85A NEATM
0.233 0.0220 0.0220 Tedesco 2002AJ....123.1056T STM
0.339 0.0239 0.0239 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
10.53 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
26.048 3 Synodic Behrend LCDB Lightcurve
26.0 2 Synodic Harris 1992Icar...95..115H Lightcurve
26.023 3 Synodic Pilcher 2011MPBu...38...76P Lightcurve
26.045 2 Sidereal Durech 2023A&A...675A..24D Model
26.0454 2 Sidereal Hanus 2013A&A...551A..67H Model
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 0.930000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9981 0.9830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT