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13535 (1991 RS13)
Classification: Main-belt Asteroid          SPK-ID: 2013535
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433922696585861 7.2156e-08  
a 2.235776750725128 1.4313e-08 AU
q 1.915183647988753 1.6171e-07 AU
i 4.362967511424448 6.7604e-06 deg
node 287.8998262701915 8.7331e-05 deg
peri 4.426757874395404 9.1019e-05 deg
M 334.5885738710183 3.0137e-05 deg
tp 2456886.692131086617
(2014-Aug-17.19213109)
0.00010249 JED
period 1221.071459495668
3.34
1.1725e-05
3.21e-08
d
yr
n .2948230402082189 2.831e-09 deg/d
Q 2.556369853461503 1.6365e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      7900 days (21.63 yr)  
   first obs. used      1991-09-13  
   last obs. used      2013-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5955  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Oct-22 20:38:42  

Additional Information
 Earth MOID = .898339 AU 
 T_jup = 3.621 
[ 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 14.2 mag n/a MPO263470  

13535 (1991 RS13)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RS13 = 1991 SP1 = 1994 NS9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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