Latvia

01284, 1925 WK, 1925WK, 1931 DW, 1931DW, 1933 OP, 1933OP, 1933 QP, 1933QP, 1950 RL, 1950RL, J25W00K, J31D00W, J33O00P, J33Q00P, J50R00L

All data for this body: [vot]

MPC data
Name (number) Latvia (1284)
a 2.64451
e 0.17295
i / sin(i) 10.8923 / 0.18896
q 2.18715
Q 3.10187
ω 115.2514
Node 302.6574
m 45.3797
n 0.2292
Epoch 2460800.5
nobs 4825
nopp 43
Years observed 1931-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.645
ep 0.156
sin(ip) 0.207
G 0.150
H 10.190
Mass
D 42.22 0.263
pV 0.085 0.0033
Value
Rotational Period 9.500
Period quality 3-
Spectral Class D
Spectral Class Score 20.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6451 0.1557 0.2074 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
32.34 1.240 1.240 Ryan&Woodward 2010AJ....140..933R IRAS-STM
33.27 7.090 7.090 Nugent 2016AJ....152...63N NEATM
36.07 8.698 8.698 Masiero 2017AJ....154..168M NEATM
36.81 1.200 1.200 Tedesco 2002AJ....123.1056T STM
37.47 8.900 8.900 Masiero 2021PSJ.....2..162M NEATM
40.75 4.070 4.070 Ali-Lagoa 2018A&A...612A..85A NEATM
41.13 0.460 0.460 Masiero 2014ApJ...791..121M NEATM
41.47 0.520 0.520 Usui 2011PASJ...63.1117U NEATM
43.37 4.340 4.340 Ali-Lagoa 2018A&A...612A..85A NEATM
44.19 2.645 2.645 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
45.19 0.740 0.740 Masiero 2012ApJ...759L...8M NEATM
47.26 0.627 0.627 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.063 0.0058 0.0058 Masiero 2011ApJ...741...68M NEATM
0.069 0.0110 0.0110 Masiero 2012ApJ...759L...8M NEATM
0.074 0.0091 0.0091 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.080 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.081 0.0160 0.0160 Ali-Lagoa 2018A&A...612A..85A NEATM
0.091 0.0457 0.0457 Masiero 2017AJ....154..168M NEATM
0.092 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.103 0.0360 0.0550 Masiero 2021PSJ.....2..162M NEATM
0.104 0.0070 0.0070 Tedesco 2002AJ....123.1056T STM
0.130 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.136 0.0105 0.0105 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
10.19 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.0 1 Synodic Binzel 1983Icar...56..519B Lightcurve
9.55 3- Synodic Garceran 2016MPBu...43...92G Lightcurve
9.55058 2 Sidereal Durech 2020A&A...643A..59D Model
9.552 2 Synodic Brinsfield 2008MPBu...35..119B Lightcurve
9.644 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Barucci-Tholen VIS Fitzsimmons 1994A&A...282..634F SPEC
D Barucci-Tholen VIS Lagerkvist 1993MNRAS.260..679L SPEC
D Bus VIS Lazzaro 2004Icar..172..179L SPEC
D Tholen VIS Lazzaro 2004Icar..172..179L SPEC
L Bus VIS Bus 2002Icar..158..146B SPEC
L Bus VISNIR Devogele 2018Icar..304...31D SPEC
P M 0.460000 0.370000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
P M 0.590000 0.330000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X 0.458 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT