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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0908268941683442 8.4899e-08  
a 2.347691578162982 2.5365e-08 AU
q 2.13445804365326 2.083e-07 AU
i 2.866833286908668 7.9693e-06 deg
node 315.2516792026225 0.00015811 deg
peri .1308010989507469 0.00016786 deg
M 309.6061703678548 6.2708e-05 deg
tp 2457184.422496197865
(2015-Jun-10.92249620)
0.00022983 JED
period 1313.892972900715
3.60
2.1293e-05
5.83e-08
d
yr
n .2739949200011466 4.4405e-09 deg/d
Q 2.560925112672704 2.7669e-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 = 1.12158 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 16.1 mag n/a MPO296564  

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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