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243305 (2008 GJ146)
Classification: Main-belt Asteroid          SPK-ID: 2243305
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .200896689987118 6.5898e-08  
a 2.419675190388627 2.4744e-08 au
q 1.933570453795602 1.6422e-07 au
i 3.278732125150794 7.883e-06 deg
node 115.6678801286599 0.00015271 deg
peri 171.1570781605767 0.00015483 deg
M 33.87803880859192 2.6008e-05 deg
tp 2458871.125169255618
(2020-Jan-22.62516926)
9.9002e-05 TDB
period 1374.78262337209
3.76
2.1088e-05
5.774e-08
d
yr
n .2618595797472229 4.0167e-09 deg/d
Q 2.905779926981652 2.9715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      6559 days (17.96 yr)  
   first obs. used      2001-05-22  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64236  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:37:40  

Additional Information
 Earth MOID = .917257 au 
 Jupiter MOID = 2.26249 au 
 T_jup = 3.484 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO470594  

243305 (2008 GJ146)          Discovered 2008-Apr-15 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2008 GJ146 = 2005 TF144 = 2009 WY222 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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