Polko

12168, 1978 QK3, 1978QK3, 5141 T-2, 5141T-2, J78Q03K, T2S5141

All data for this body: [vot]

MPC data
Name (number) Polko (12168)
a 3.01437
e 0.09686
i / sin(i) 9.5260 / 0.16550
q 2.72239
Q 3.30635
ω 18.3366
Node 300.8965
m 350.8672
n 0.1883
Epoch 2460800.5
nobs 3803
nopp 28
Years observed 1955-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.014
ep 0.082
sin(ip) 0.183
G 0.150
H 12.910
Mass
D 11.57 2.340
pV 0.156 0.0620
Value
Rotational Period 9.407
Period quality 3
Spectral Class S
Spectral Class Score 8.350
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 -0.2100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0142 0.0823 0.1827 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.57 2.340 2.340 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.156 0.0620 0.0620 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
12.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.4071 3 Synodic Molnar 2007MPBu...34..126M Lightcurve
9.4072 2 Sidereal Durech 2023A&A...675A..24D Model
9.40867 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
LS 0.65 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.250 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.8083 0.8083 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT