Polenov

04940, 1954 XF, 1954XF, 1975 RQ1, 1975RQ1, 1977 BO, 1977BO, 1981 TM2, 1981TM2, 1981 WB3, 1981WB3, 1983 CD1, 1983CD1, 1986 QY4, 1986QY4, J54X00F, J75R01Q, J77B00O, J81T02M, J81W03B, J83C01D, J86Q04Y

All data for this body: [vot]

MPC data
Name (number) Polenov (4940)
a 3.10011
e 0.17557
i / sin(i) 2.2852 / 0.03987
q 2.55583
Q 3.64438
ω 273.3932
Node 118.2330
m 353.7421
n 0.1806
Epoch 2460800.5
nobs 4109
nopp 34
Years observed 1954-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.099
ep 0.147
sin(ip) 0.022
G 0.150
H 12.320
Mass
D 17.78 0.111
pV 0.081 0.0101
Value
Rotational Period 4.160
Period quality 3
Spectral Class B
Spectral Class Score 9.126
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 -0.5500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0994 0.1468 0.0217 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.78 0.111 0.111 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.081 0.0101 0.0101 Masiero 2011ApJ...741...68M 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
12.32 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.161 2+ Synodic Bebekovska LCDB Lightcurve
4.161 3 Synodic Bebekovska LCDB Lightcurve
4.161 3 Synodic Bebekovska LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.997 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
B C 0.5240 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.87 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.6903 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT