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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433922719413669 6.999e-08  
a 2.235776756383538 1.5263e-08 AU
q 1.915183647732003 1.5674e-07 AU
i 4.362956686027613 6.6176e-06 deg
node 287.899688591324 8.3954e-05 deg
peri 4.426886909423351 8.7556e-05 deg
M 334.5885746952603 2.9008e-05 deg
tp 2456886.692128618108
(2014-Aug-17.19212862)
9.8639e-05 JED
period 1221.071464131187
3.34
1.2504e-05
3.423e-08
d
yr
n .2948230390889907 3.019e-09 deg/d
Q 2.556369865035074 1.7452e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      828  
   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      .57563  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:40:38  

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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