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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3149583678732591 8.2705e-08  
a 2.448681154272802 2.1262e-08 au
q 1.677448534481032 2.0276e-07 au
i 22.56084161130067 1.2071e-05 deg
node 198.451410247355 1.6608e-05 deg
peri 302.7994391356396 2.284e-05 deg
M 285.0681553850565 1.5127e-05 deg
tp 2457691.813565108567
(2016-Oct-30.31356511)
6.0201e-05 JED
period 1399.576961944555
3.83
1.8229e-05
4.991e-08
d
yr
n .2572205814961548 3.3502e-09 deg/d
Q 3.219913774064572 2.7959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      9955 days (27.26 yr)  
   first obs. used      1988-09-11  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55364  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:09:17  

Additional Information
 Earth MOID = .771119 au 
 Jupiter MOID = 2.08548 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 14.6 mag n/a MPO350874  

9075 (1994 GD9)          Discovered 1994-Apr-14 by Helin, E. F. at Palomar
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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