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26211 (1997 RR9)
Classification: Main-belt Asteroid          SPK-ID: 2026211
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2491578500774631 6.8388e-08  
a 2.68833835259088 2.8833e-08 AU
q 2.018517748378548 1.9628e-07 AU
i 7.583787692263988 6.5921e-06 deg
node 168.4112045477825 4.5376e-05 deg
peri 176.1682831107849 4.7095e-05 deg
M 327.6868283262133 1.5863e-05 deg
tp 2457145.011166212131
(2015-May-02.51116621)
7.2362e-05 JED
period 1609.994226551598
4.41
2.5902e-05
7.092e-08
d
yr
n .2236032863118236 3.5973e-09 deg/d
Q 3.358158956803213 3.6017e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      956  
   data-arc span      6162 days (16.87 yr)  
   first obs. used      1997-09-13  
   last obs. used      2014-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52071  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:21:15  

Additional Information
 Earth MOID = 1.01164 AU 
 T_jup = 3.316 
[ 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 13.8 mag n/a MPO302220  

26211 (1997 RR9)          Discovered 1997-Sep-13 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 RR9 = 2000 EW62 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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