Isberga

00939, 1920 TD, 1920TD, 1930 QP, 1930QP, 1957 QE, 1957QE, 1957 UU, 1957UU, J20T00D, J30Q00P, J57Q00E, J57U00U

All data for this body: [vot]

MPC data
Name (number) Isberga (939)
a 2.24689
e 0.17625
i / sin(i) 2.5829 / 0.04507
q 1.85087
Q 2.64292
ω 6.2133
Node 327.0317
m 45.3069
n 0.2926
Epoch 2460800.5
nobs 7440
nopp 41
Years observed 1920-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.247
ep 0.128
sin(ip) 0.053
G 0.150
H 12.070
Mass 3.520e+15 3.325e+15
D 10.92 0.063
pV 0.208 0.0142
Value
Rotational Period 2.917
Period quality 3
Spectral Class Sq
Spectral Class Score 42.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2469 0.1279 0.0530 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.5200e+15 2.7500e+15 3.9000e+15 Carry 2015Icar..248..516C Interf
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.39 0.180 0.180 Masiero 2014ApJ...791..121M NEATM
10.99 0.067 0.067 Masiero 2011ApJ...741...68M NEATM
12.40 1.200 2.500 Carry 2015Icar..248..516C LC/INTERF
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.206 0.0148 0.0148 Masiero 2011ApJ...741...68M NEATM
0.230 0.0500 0.0500 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
12.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.91695 3 Synodic Carry 2015Icar..248..516C Lightcurve
2.917 3- Synodic Klinglesmith 2017MPBu...44..345K Lightcurve
2.917008 2 Sidereal Durech 2020A&A...643A..59D Model
2.917067 3- Synodic Behrend LCDB Lightcurve
2.9173 3 Synodic Molnar 2008MPBu...35....9M Lightcurve
2.92 2 Synodic Behrend LCDB Lightcurve
20.0 1 Synodic Tedesco 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 0.973 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
Sq Bus-DeMeo VISNIR Carry 2015Icar..248..516C SPEC
Sq Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
Sw Bus-DeMeo VISNIR Lindsay 2015Icar..247...53L SPEC