Merapi

00536, 1904 JF, 1904JF, 1950 KE, 1950KE, 1957 LP, 1957LP, J04J00F, J50K00E, J57L00P

All data for this body: [vot]

MPC data
Name (number) Merapi (536)
a 3.50197
e 0.08917
i / sin(i) 19.4216 / 0.33252
q 3.18969
Q 3.81425
ω 297.0513
Node 59.1985
m 63.3052
n 0.1504
Epoch 2460800.5
nobs 5737
nopp 59
Years observed 1904-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.499
ep 0.037
sin(ip) 0.318
G 0.150
H 8.120
Mass 5.853e+18 2.406e+18
D 150.19 0.042
pV 0.038 0.0001
Value
Rotational Period 8.790
Period quality 3
Spectral Class X
Spectral Class Score 16.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.4995 0.0373 0.3181 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.1500e+19 2.4400e+19 2.4400e+19 Zielenbach 2011AJ....142..120Z Deflec
3.1000e+19 2.5500e+19 2.5500e+19 Zielenbach 2011AJ....142..120Z Deflec
5.4319e+18 2.4521e+18 2.4521e+18 Fienga INPOP19a Ephem
7.3800e+18 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
146.33 2.570 2.570 Usui 2011PASJ...63.1117U NEATM
146.79 29.360 29.360 Ali-Lagoa 2018A&A...612A..85A NEATM
147.07 5.520 5.520 Masiero 2014ApJ...791..121M NEATM
147.22 0.046 0.046 Ryan&Woodward 2010AJ....140..933R MSX-STM
148.14 14.810 14.810 Ali-Lagoa 2018A&A...612A..85A NEATM
151.42 9.000 9.000 Tedesco 2002AJ....123.1056T STM
157.80 8.114 8.114 Ryan&Woodward 2010AJ....140..933R IRAS-STM
164.91 2.873 2.873 Masiero 2011ApJ...741...68M NEATM
165.62 0.106 0.106 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
167.22 13.924 13.924 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.038 0.0001 0.0001 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
0.038 0.0059 0.0059 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.038 0.0060 0.0060 Masiero 2011ApJ...741...68M NEATM
0.042 0.0043 0.0043 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.045 0.0060 0.0060 Tedesco 2002AJ....123.1056T STM
0.048 Ryan&Woodward 2010AJ....140..933R MSX-STM
0.049 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.050 0.0200 0.0200 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
8.12 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.78 3 Synodic Koff 2000MPBu...27...26K Lightcurve
8.7905 3 Synodic Mannucci 2022MPBu...49....6M Lightcurve
8.79052 2 Sidereal Durech 2020A&A...643A..59D Model
8.791 3 Synodic Behrend LCDB Lightcurve
8.806 3 Synodic Polakis 2021MPBu...48..394P Lightcurve
8.809 3 Synodic Ditteon 2007MPBu...34...59D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
P Tholen VIS Lagerkvist 2005A&A...432..349L SPEC
C Bus VIS Fornasier 2011Icar..214..131F SPEC
C Fornasier VIS Fornasier 2011Icar..214..131F SPEC
P Tholen NIR Clark 2004AJ....128.3070C SPEC
P 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT