Montana

00797, 1898 WA, 1898WA, 1914 WG, 1914WG, 1953 JG, 1953JG, 1957 MG, 1957MG, I98W00A, J14W00G, J53J00G, J57M00G

All data for this body: [vot]

MPC data
Name (number) Montana (797)
a 2.53466
e 0.06048
i / sin(i) 4.5188 / 0.07879
q 2.38135
Q 2.68796
ω 357.4905
Node 238.2485
m 288.0330
n 0.2442
Epoch 2460800.5
nobs 5664
nopp 57
Years observed 1915-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.536
ep 0.088
sin(ip) 0.095
G 0.150
H 10.400
Mass
D 21.64 0.044
pV 0.286 0.0188
Value
Rotational Period 4.546
Period quality 3
Spectral Class Sq
Spectral Class Score 21.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5363 0.0876 0.0949 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.20 0.490 0.490 Masiero 2012ApJ...759L...8M NEATM
21.18 2.120 2.120 Ali-Lagoa 2018A&A...612A..85A NEATM
21.20 0.210 0.210 Masiero 2014ApJ...791..121M NEATM
21.68 0.046 0.046 Masiero 2011ApJ...741...68M NEATM
21.91 0.410 0.410 Usui 2011PASJ...63.1117U NEATM
24.32 2.430 2.430 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.224 0.0450 0.0450 Ali-Lagoa 2018A&A...612A..85A NEATM
0.288 0.0282 0.0282 Masiero 2011ApJ...741...68M NEATM
0.290 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.296 0.0590 0.0590 Ali-Lagoa 2018A&A...612A..85A NEATM
0.350 0.0510 0.0510 Masiero 2012ApJ...759L...8M 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
10.40 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.5 1 Synodic Angeli 2001AJ....121.2245A Lightcurve
4.54618 2 Sidereal Durech 2023A&A...675A..24D Model
4.54619 2 Sidereal Hanus 2016A&A...586A.108H Model
4.5462 3 Synodic Behrend LCDB Lightcurve
4.5463 3 Synodic Behrend LCDB Lightcurve
4.55 3 Synodic Ditteon 2004MPBu...31...54D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K 0.624 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S Bus VIS Bus 2002Icar..158..146B SPEC
S 0.960000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Sq Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC