Tovarishch

02787, 1957 UY, 1957UY, 1970 EB1, 1970EB1, 1976 JO3, 1976JO3, 1978 RC6, 1978RC6, J57U00Y, J70E01B, J76J03O, J78R06C

All data for this body: [vot]

MPC data
Name (number) Tovarishch (2787)
a 3.01918
e 0.06020
i / sin(i) 10.3078 / 0.17894
q 2.83741
Q 3.20094
ω 65.8276
Node 30.1057
m 245.8886
n 0.1879
Epoch 2460800.5
nobs 10782
nopp 30
Years observed 1957-2025
rms 0.44
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.020
ep 0.067
sin(ip) 0.174
G 0.150
H 11.660
Mass
D 19.71 0.360
pV 0.125 0.0230
Value
Rotational Period 42.890
Period quality 2
Spectral Class K
Spectral Class Score 7.396
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.1800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0201 0.0667 0.1739 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.71 0.360 0.360 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.125 0.0230 0.0230 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
11.66 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
42.899 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
K 0.504 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
K K 0.3953 0.3953 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.95 Bus VIS Carvano 2010A&A...510A..43C PHOT
Xt Xt None None Movis NIR Popescu 2018A&A...617A..12P PHOT