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117785 (2005 GJ121)
Classification: Main-belt Asteroid          SPK-ID: 2117785
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1109395174188818 4.8364e-08  
a 2.428208104577471 1.1675e-08 au
q 2.158823869263029 1.1744e-07 au
i .4942573148418399 5.0066e-06 deg
node 313.2417274801344 0.00051996 deg
peri 238.1113876381866 0.00052035 deg
M 10.13499495652205 1.8479e-05 deg
tp 2458961.591156754325
(2020-Apr-22.09115675)
7.0999e-05 TDB
period 1382.061227315071
3.78
9.9675e-06
2.729e-08
d
yr
n .2604805003461183 1.8786e-09 deg/d
Q 2.697592339891913 1.297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      8989 days (24.61 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:14:57  

Additional Information
 Earth MOID = 1.15867 au 
 Jupiter MOID = 2.25985 au 
 T_jup = 3.501 
[ 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 16.9   n/a MPO422407  

117785 (2005 GJ121)          Discovered 2005-Apr-05 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 GJ121 = 1995 SG58 = 2001 DF94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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