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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09088005548305636 8.3449e-08  
a 2.347785127153739 1.7793e-08 au
q 2.134418284535713 2.0289e-07 au
i 2.866615736564573 7.4942e-06 deg
node 315.2488136953195 0.00012888 deg
peri .01037329348507921 0.00013589 deg
M 59.30257057396638 4.056e-05 deg
tp 2457184.050311176595
(2015-Jun-10.55031118)
0.00014914 JED
period 1313.971506163231
3.60
1.4938e-05
4.09e-08
d
yr
n .2739785439116503 3.1146e-09 deg/d
Q 2.561151969771766 1.9411e-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 = 1.11865 au 
 Jupiter MOID = 2.6371 au 
 T_jup = 3.552 
[ 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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