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JPL Small-Body Database Browser
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442604 (2012 GR11)
Classification: Inner Main-belt Asteroid          SPK-ID: 2442604
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05919229258568984 1.302e-07  
a 1.913945357286715 3.1551e-08 au
q 1.800654543705177 2.3358e-07 au
i 23.74294790376664 1.0536e-05 deg
node 119.9029092616417 2.0645e-05 deg
peri 178.3198884484636 8.0732e-05 deg
M 149.5900634665992 8.3081e-05 deg
tp 2458198.623163930590
(2018-Mar-21.12316393)
0.00021852 TDB
period 967.1475339489442
2.65
2.3915e-05
6.548e-08
d
yr
n .372228628376986 9.2041e-09 deg/d
Q 2.027236170868253 3.3418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      3661 days (10.02 yr)  
   first obs. used      2008-12-30  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54439  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:39:33  

Additional Information
 Earth MOID = .784296 au 
 Jupiter MOID = 3.1881 au 
 T_jup = 3.827 
[ 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 17.8   n/a MPO349191  

442604 (2012 GR11)          Discovered 2008-Dec-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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