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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09090448113195915 8.3381e-08  
a 2.347470213786516 1.7793e-08 au
q 2.134074652029523 2.027e-07 au
i 2.866644905926103 7.4939e-06 deg
node 315.243224582647 0.00012889 deg
peri 359.928223500333 0.00013591 deg
M 114.1895963495354 4.0333e-05 deg
tp 2457183.800864537958
(2015-Jun-10.30086454)
0.00014926 JED
period 1313.707146377399
3.60
1.4936e-05
4.089e-08
d
yr
n .2740336771347515 3.1156e-09 deg/d
Q 2.560865775543508 1.941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      6670 days (18.26 yr)  
   first obs. used      1997-09-04  
   last obs. used      2015-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62172  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 15:23:45  

Additional Information
 Earth MOID = 1.11974 au 
 Jupiter MOID = 2.63832 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 16.2 mag n/a MPO359143  

58576 (1997 RQ9)          Discovered 1997-Sep-04 by BAO Schmidt CCD Asteroid Program at Xinglong
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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