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73697 (1991 RT29)
Classification: Main-belt Asteroid          SPK-ID: 2073697
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668443134173745 9.787e-08  
a 2.446944293541816 2.5136e-08 AU
q 2.038685552915269 2.365e-07 AU
i 9.518327618663372 1.1628e-05 deg
node 333.2262824439451 3.5564e-05 deg
peri 28.95074541004234 4.6308e-05 deg
M 28.48711808421674 2.7328e-05 deg
tp 2456889.868050451511
(2014-Aug-20.36805045)
0.00010573 JED
period 1398.088136529411
3.83
2.1543e-05
5.898e-08
d
yr
n .2574944959433369 3.9676e-09 deg/d
Q 2.855203034168363 2.933e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      8338 days (22.83 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5592  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 15:42:21  

Additional Information
 Earth MOID = 1.04046 AU 
 T_jup = 3.460 
[ 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 14.6 mag n/a MPO266271  

73697 (1991 RT29)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar (675)
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RT29 = 1999 XU208 = 2001 FS109 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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