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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111530927071835 4.8924e-08  
a 2.428813378994131 1.4609e-08 au
q 2.158843260310348 1.2015e-07 au
i .4941655583743633 5.9545e-06 deg
node 313.2419487345899 0.00055524 deg
peri 238.025353998145 0.00055578 deg
M 266.0527641195442 2.646e-05 deg
tp 2458961.303841341419
(2020-Apr-21.80384134)
0.00010262 TDB
period 1382.578014835797
3.79
1.2474e-05
3.415e-08
d
yr
n .2603831365297354 2.3492e-09 deg/d
Q 2.698783497677913 1.6233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      8486 days (23.23 yr)  
   first obs. used      1995-09-18  
   last obs. used      2018-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5517  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:11:57  

Additional Information
 Earth MOID = 1.15908 au 
 Jupiter MOID = 2.2599 au 
 T_jup = 3.500 
[ 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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