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13969 (1991 RK26)
Classification: Main-belt Asteroid          SPK-ID: 2013969
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955648505399814 5.7315e-08  
a 2.271320020281879 1.0529e-08 au
q 1.827129659986986 1.2715e-07 au
i 7.249693445369311 7.7455e-06 deg
node 20.70804597085361 3.7664e-05 deg
peri 297.4059762307099 4.1808e-05 deg
M 72.7693568867798 1.9621e-05 deg
tp 2457147.766997821559
(2015-May-05.26699782)
6.7336e-05 JED
period 1250.304862880658
3.42
8.6939e-06
2.38e-08
d
yr
n .2879297767190738 2.0021e-09 deg/d
Q 2.715510380576772 1.2588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      8860 days (24.26 yr)  
   first obs. used      1991-09-11  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5567  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:26:01  

Additional Information
 Earth MOID = .826296 au 
 Jupiter MOID = 2.60934 au 
 T_jup = 3.576 
[ 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 15.2 mag n/a MPO350914  

13969 (1991 RK26)          Discovered 1991-Sep-11 by Holt, H. E. at Palomar
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RK26 = 1997 GU18 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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