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46564 (1991 RA11)
Classification: Main-belt Asteroid          SPK-ID: 2046564
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299600332585254 6.5744e-08  
a 3.188105661821664 3.4842e-08 au
q 2.773779343979628 2.1953e-07 au
i 17.17306054441265 7.0067e-06 deg
node 19.87703538398909 2.0989e-05 deg
peri 104.1108403817032 4.3707e-05 deg
M 36.46118987212161 3.1761e-05 deg
tp 2457389.915780595696
(2016-Jan-02.41578060)
0.00018481 JED
period 2079.205841922189
5.69
3.4084e-05
9.332e-08
d
yr
n .1731430302577384 2.8383e-09 deg/d
Q 3.602431979663701 3.937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      16412 days (44.93 yr)  
   first obs. used      1971-05-14  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .44088  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 14:27:44  

Additional Information
 Earth MOID = 1.84726 au 
 Jupiter MOID = 1.61101 au 
 T_jup = 3.115 
[ 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 12.2 mag n/a MPO359049  

46564 (1991 RA11)          Discovered 1991-Sep-10 by Holt, H. E. at Palomar
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RA11 = 1980 XN1 = 1999 CZ123 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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