Riga

01796, 1907 TG, 1907TG, 1907 UD, 1907UD, 1935 GE, 1935GE, 1941 FC1, 1941FC1, 1947 GA, 1947GA, 1950 TF2, 1950TF2, 1953 GW, 1953GW, 1960 JA, 1960JA, 1966 KB, 1966KB, J07T00G, J07U00D, J35G00E, J41F01C, J47G00A, J50T02F, J53G00W, J60J00A, J66K00B

All data for this body: [vot]

MPC data
Name (number) Riga (1796)
a 3.36435
e 0.05220
i / sin(i) 22.5361 / 0.38327
q 3.18872
Q 3.53997
ω 27.0966
Node 186.5855
m 229.4522
n 0.1597
Epoch 2460800.5
nobs 6263
nopp 40
Years observed 1907-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.356
ep 0.098
sin(ip) 0.381
G 0.150
H 9.880
Mass
D 68.92 0.278
pV 0.037 0.0015
Value
Rotational Period 22.220
Period quality 2
Spectral Class X
Spectral Class Score 15.205
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.3562 0.0977 0.3809 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
66.18 3.623 3.623 Ryan&Woodward 2010AJ....140..933R IRAS-STM
66.20 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
68.09 1.037 1.037 Masiero 2011ApJ...741...68M NEATM
68.17 0.300 0.300 Masiero 2014ApJ...791..121M NEATM
73.80 7.380 7.380 Ali-Lagoa 2018A&A...612A..85A NEATM
73.83 1.800 1.800 Tedesco 2002AJ....123.1056T STM
78.68 26.690 26.690 Nugent 2016AJ....152...63N NEATM
80.99 3.910 3.910 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
85.06 17.010 17.010 Ali-Lagoa 2018A&A...612A..85A NEATM
85.79 1.570 1.570 Usui 2011PASJ...63.1117U NEATM
87.95 26.970 26.970 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.032 0.0031 0.0031 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.038 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.040 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.044 0.0082 0.0082 Masiero 2011ApJ...741...68M NEATM
0.047 0.0052 0.0052 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
9.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.16 1+ Synodic Behrend LCDB Lightcurve
10.608 2 Synodic Warner 2011MPBu...38...96W Lightcurve
11.0 2- Synodic Warner 2004MPBu...31...19W Lightcurve
16.0 Synodic Chiorny 2007P&SS...55..986C Lightcurve
22.226 2 Synodic Oey 2016MPBu...43...45O Lightcurve
44.2046 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.609 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.84 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.970000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Cb Bus VIS Bus 2002Icar..158..146B SPEC
P C 0.800000 0.200000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X X 0.8675 0.3670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT