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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3148788141868476 1.0318e-07  
a 2.449138606328527 2.8281e-08 AU
q 1.677956746188572 2.4552e-07 AU
i 22.55477611275665 1.229e-05 deg
node 198.4679674629883 2.306e-05 deg
peri 302.7295218736789 3.0098e-05 deg
M 130.85273984486 1.488e-05 deg
tp 2456291.639438325503
(2012-Dec-30.13943833)
5.8126e-05 JED
period 1399.969174661609
3.83
2.4249e-05
6.639e-08
d
yr
n .2571485190643693 4.4541e-09 deg/d
Q 3.220320466468481 3.7187e-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      .57646  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:26:27  

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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