Roka

02058, 1938 BH, 1938BH, 1951 NP, 1951NP, 1962 NA, 1962NA, 1963 UM, 1963UM, 1974 SZ1, 1974SZ1, 1978 AE, 1978AE, 1985 UL3, 1985UL3, J38B00H, J51N00P, J62N00A, J63U00M, J74S01Z, J78A00E, J85U03L

All data for this body: [vot]

MPC data
Name (number) Roka (2058)
a 3.13462
e 0.14387
i / sin(i) 2.5361 / 0.04425
q 2.68365
Q 3.58559
ω 182.6738
Node 95.2763
m 154.5231
n 0.1776
Epoch 2460800.5
nobs 5278
nopp 42
Years observed 1938-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.119
ep 0.160
sin(ip) 0.022
G 0.150
H 11.570
Mass
D 24.08 0.212
pV 0.111 0.0145
Value
Rotational Period 10.000
Period quality 3-
Spectral Class B
Spectral Class Score 7.345
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.3200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1192 0.1597 0.0224 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
21.27 2.130 2.130 Ali-Lagoa 2018A&A...612A..85A NEATM
21.36 3.100 3.100 Tedesco 2002AJ....123.1056T STM
23.40 0.520 0.520 Usui 2011PASJ...63.1117U NEATM
23.63 4.730 4.730 Ali-Lagoa 2018A&A...612A..85A NEATM
24.27 0.234 0.234 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.088 0.0350 0.0350 Ali-Lagoa 2018A&A...612A..85A NEATM
0.108 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.120 0.0252 0.0252 Masiero 2011ApJ...741...68M NEATM
0.154 0.0560 0.0560 Tedesco 2002AJ....123.1056T 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
11.57 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.04 3- Synodic Behrend LCDB Lightcurve
10.08855 2 Sidereal Durech 2018A&A...617A..57D Model
10.0886 2 Sidereal Durech 2023A&A...675A..24D Model
10.08869 2 Sidereal Durech 2020A&A...643A..59D Model
10.09 2 Synodic Addleman 2005MPBu...32...76A Lightcurve
8.331 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B B 0.8909 0.8909 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.77 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT