Arpola

02194, 1940 GE, 1940GE, 1965 JC, 1965JC, 1973 QB1, 1973QB1, 1977 VP, 1977VP, J40G00E, J65J00C, J73Q01B, J77V00P

All data for this body: [vot]

MPC data
Name (number) Arpola (2194)
a 2.32751
e 0.04104
i / sin(i) 8.5218 / 0.14819
q 2.23200
Q 2.42303
ω 102.1381
Node 47.0893
m 26.9160
n 0.2776
Epoch 2460800.5
nobs 4818
nopp 31
Years observed 1940-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.328
ep 0.089
sin(ip) 0.138
G 0.150
H 12.790
Mass
D 9.22 0.019
pV 0.188 0.0095
Value
Rotational Period 110.900
Period quality 2
Spectral Class X
Spectral Class Score 6.825
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3278 0.0887 0.1379 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.69 1.770 1.770 Nugent 2016AJ....152...63N NEATM
8.97 2.080 2.080 Nugent 2016AJ....152...63N NEATM
9.02 0.040 0.040 Masiero 2014ApJ...791..121M NEATM
9.21 0.210 0.210 Masiero 2012ApJ...759L...8M NEATM
9.27 0.021 0.021 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.140 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.170 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM
0.188 0.0105 0.0105 Masiero 2011ApJ...741...68M NEATM
0.190 0.0320 0.0320 Masiero 2012ApJ...759L...8M NEATM
0.210 0.0400 0.0400 Masiero 2014ApJ...791..121M 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
12.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
110.98 2 Sidereal Athanasopoulos 2024A%26A...690A.215A Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
K 0.478 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.950000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X None Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.8041 0.8041 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Xc Bus VIS Bus 2002Icar..158..146B SPEC