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9075 (1994 GD9)
Classification: Main-belt Asteroid          SPK-ID: 2009075
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3148788801597017 1.0017e-07  
a 2.449138615033465 2.3874e-08 AU
q 1.677956590575845 2.402e-07 AU
i 22.55477756448629 1.3257e-05 deg
node 198.4679658113867 2.2881e-05 deg
peri 302.729519130674 3.0479e-05 deg
M 130.852743851286 1.5904e-05 deg
tp 2456291.639420032346
(2012-Dec-30.13942003)
6.1761e-05 JED
period 1399.969182125445
3.83
2.047e-05
5.604e-08
d
yr
n .2571485176934002 3.7599e-09 deg/d
Q 3.220320639491085 3.1391e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      9341 days (25.57 yr)  
   first obs. used      1988-09-11  
   last obs. used      2014-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59254  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:55:55  

Additional Information
 Earth MOID = .771986 AU 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO267744  

9075 (1994 GD9)          Discovered 1994-Apr-14 by Helin, E. F. at Palomar (675)
Reference: 19980808/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 GD9 = 1989 YQ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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