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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2490102238441612 4.9876e-08  
a 2.687757063650262 1.6213e-08 au
q 2.018478075591985 1.3387e-07 au
i 7.584238384076878 5.8856e-06 deg
node 168.4111646338948 4.4714e-05 deg
peri 176.1281927950046 4.647e-05 deg
M 57.17119154602304 1.4129e-05 deg
tp 2457144.901566565928
(2015-May-02.40156657)
6.2164e-05 JED
period 1609.472070600332
4.41
1.4563e-05
3.987e-08
d
yr
n .2236758292212677 2.0239e-09 deg/d
Q 3.35703605170854 2.0251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      6669 days (18.26 yr)  
   first obs. used      1997-09-13  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49982  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:00:14  

Additional Information
 Earth MOID = 1.00923 au 
 Jupiter MOID = 2.0597 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 13.9 mag n/a MPO347718  

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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