Smetana

02047, 1971 UA1, 1971UA1, J71U01A

All data for this body: [vot]

MPC data
Name (number) Smetana (2047)
a 1.87176
e 0.00316
i / sin(i) 25.2805 / 0.42705
q 1.86584
Q 1.87768
ω 302.8126
Node 36.5755
m 18.9090
n 0.3849
Epoch 2460800.5
nobs 3934
nopp 24
Years observed 1971-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.872
ep 0.046
sin(ip) 0.416
G 0.150
H 14.070
Mass
D 3.13 0.150
pV 0.544 0.0690
Value
Rotational Period 2.490
Period quality 3
Spectral Class Q
Spectral Class Score 18.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.8719 0.0464 0.4161 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.13 0.150 0.150 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.544 0.0690 0.0690 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
14.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.4801 2+ Synodic Warner 2011MPBu...38..142W Lightcurve
2.4969 2+ Synodic Warner 2006MPBu...33...85W Lightcurve
2.497 3 Synodic Warner 2013MPBu...40...94W Lightcurve
2.498 3 Synodic Warner 2016MPBu...43..300W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Q Sq Bus-DeMeo NIR Lucas 2017Icar..291..268L SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC