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JPL Small-Body Database Browser
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312559 (2009 GH2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2312559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08253408549949326 8.9676e-08  
a 1.970806034605849 1.8047e-08 au
q 1.808147360842772 1.7062e-07 au
i 17.89540178254306 1.0058e-05 deg
node 341.9831896608431 2.4618e-05 deg
peri 211.1841332908032 7.4092e-05 deg
M 205.3334608339615 7.6327e-05 deg
tp 2459034.668307979628
(2020-Jul-04.16830798)
0.00021642 TDB
period 1010.564998191841
2.77
1.3881e-05
3.8e-08
d
yr
n .3562363634641335 4.8931e-09 deg/d
Q 2.133464708368925 1.9536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      7899 days (21.63 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69678  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:32:31  

Additional Information
 Earth MOID = .825799 au 
 Jupiter MOID = 2.85842 au 
 T_jup = 3.808 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO391629  

312559 (2009 GH2)          Discovered 2009-Apr-01 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2009 GH2 = 2004 LS23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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