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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2489361620041406 4.8134e-08  
a 2.687545083262465 1.5327e-08 au
q 2.018517925022009 1.28e-07 au
i 7.58424844706055 5.4317e-06 deg
node 168.4106006227759 4.4225e-05 deg
peri 176.1132624930133 4.6028e-05 deg
M 101.9341690527974 1.4266e-05 deg
tp 2457144.831139869320
(2015-May-02.33113987)
6.2021e-05 JED
period 1609.281668466627
4.41
1.3767e-05
3.769e-08
d
yr
n .2237022934232633 1.9137e-09 deg/d
Q 3.356572241502922 1.9143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      6743 days (18.46 yr)  
   first obs. used      1997-09-13  
   last obs. used      2016-02-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5076  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:52:29  

Additional Information
 Earth MOID = 1.01036 au 
 Jupiter MOID = 2.06049 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 14.0 mag n/a MPO365562  

26211 (1997 RR9)          Discovered 1997-Sep-13 by Beijing Schmidt CCD Asteroid Program at Xinglong
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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