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11977 Leonrisoldi (1995 OA)
Classification: Main-belt Asteroid          SPK-ID: 2011977
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08575954301831892 5.1885e-08  
a 2.327547030918333 1.2295e-08 AU
q 2.127937661193132 1.2283e-07 AU
i 6.151501833218744 5.5717e-06 deg
node 274.7729340605541 5.7403e-05 deg
peri 150.7406260976373 6.893e-05 deg
M 70.0302903189164 3.7381e-05 deg
tp 2456748.192854227249
(2014-Mar-31.69285423)
0.00013445 JED
period 1297.018362547834
3.55
1.0277e-05
2.814e-08
d
yr
n .2775596787179049 2.1993e-09 deg/d
Q 2.527156400643534 1.3349e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      6781 days (18.57 yr)  
   first obs. used      1995-07-19  
   last obs. used      2014-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56491  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:14:43  

Additional Information
 Earth MOID = 1.14387 AU 
 T_jup = 3.561 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO270245  

11977 Leonrisoldi           Discovered 1995 July 19 at Stroncone.
Leon Risoldi (b. 2009) is the first grandson of one of the discoverers at Santa Lucia observatory. He is named after the king of animals, symbol of strength and nobility.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2013-07-22Last Updated: 2014-08-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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