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43993 Mariola (1997 OK)
Classification: Main-belt Asteroid          SPK-ID: 2043993
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .236762909007008 7.7059e-08  
a 2.726084317846594 1.5997e-08 au
q 2.080648664554849 2.1349e-07 au
i 11.80006177631813 8.598e-06 deg
node 304.6028841670143 2.3111e-05 deg
peri 18.72831597381775 2.5288e-05 deg
M 13.2728691513444 1.3232e-05 deg
tp 2458939.886457628299
(2020-Mar-31.38645763)
6.0061e-05 TDB
period 1644.020972782823
4.50
1.4471e-05
3.962e-08
d
yr
n .2189753086851626 1.9274e-09 deg/d
Q 3.371519971138339 1.9784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      7956 days (21.78 yr)  
   first obs. used      1997-07-26  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52266  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:28:07  

Additional Information
 Earth MOID = 1.07134 au 
 Jupiter MOID = 1.97066 au 
 T_jup = 3.285 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO347832  
diameter diameter 6.995 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43993 Mariola           Discovered 1997 July 26 by P. Sicoli and A. Testa at Sormano.
Mariola Magnoni Tieghi (b. 1934), former president of Como Inner Wheel Club, promoted with strength and devotion the values of quality of life in every social and cultural environment.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040504/MPCPages.arcLast Updated: 2004-05-11

[ show close-approach data ]
Alternate Designations
 1997 OK = 2001 LS7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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