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58576 (1997 RQ9)
Classification: Main-belt Asteroid          SPK-ID: 2058576
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09078509617164447 8.4939e-08  
a 2.347391751800338 2.5382e-08 AU
q 2.13428356586062 2.0833e-07 AU
i 2.866851618958319 7.9694e-06 deg
node 315.2533930867668 0.00015812 deg
peri .2052608667044807 0.00016787 deg
M 254.7225288220458 6.2432e-05 deg
tp 2457184.657867463358
(2015-Jun-11.15786746)
0.0002298 JED
period 1313.641282787282
3.60
2.1306e-05
5.833e-08
d
yr
n .2740474166860474 4.4448e-09 deg/d
Q 2.560499937740057 2.7686e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      6113 days (16.74 yr)  
   first obs. used      1997-09-04  
   last obs. used      2014-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .68902  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 15:17:01  

Additional Information
 Earth MOID = 1.1195 AU 
 T_jup = 3.553 
[ 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 16.0 mag n/a MPO253731  

58576 (1997 RQ9)          Discovered 1997-Sep-04 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 RQ9 = 1999 AA27 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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