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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0908268931337155 8.4855e-08  
a 2.34769157791994 2.536e-08 AU
q 2.134458045861281 2.0821e-07 AU
i 2.866833262265398 7.966e-06 deg
node 315.2516795232985 0.00015808 deg
peri .1308005822686894 0.00016784 deg
M 309.6061707420392 6.27e-05 deg
tp 2457184.422494803642
(2015-Jun-10.92249480)
0.0002298 JED
period 1313.892972696686
3.60
2.1289e-05
5.829e-08
d
yr
n .2739949200436941 4.4396e-09 deg/d
Q 2.560925109978598 2.7663e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      358  
   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      .68541  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:56:50  

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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