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JPL Small-Body Database Browser
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523820 (2011 GN44)
Classification: Apollo [NEO, PHA]          SPK-ID: 2523820
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5978646876438652 1.9337e-07  
a 2.24475154620327 6.6866e-08 au
q .9026938641943683 4.2575e-07 au
i 54.99590003181019 5.9712e-05 deg
node 16.94976065155568 1.8808e-05 deg
peri 319.3553023018335 3.4279e-05 deg
M 81.10942018470458 3.2459e-05 deg
tp 2458323.729599619967
(2018-Jul-24.22959962)
0.00010161 TDB
period 1228.431221797852
3.36
5.4888e-05
1.503e-07
d
yr
n .2930566999698423 1.3094e-08 deg/d
Q 3.586809228212171 1.0684e-07 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      2751 days (7.53 yr)  
   first obs. used      2011-04-03  
   last obs. used      2018-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62754  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:47:16  

Additional Information
 Earth MOID = .00608665 au 
 Jupiter MOID = 2.44236 au 
 T_jup = 2.922 
[ 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 18.3   n/a MPO260816  

523820 (2011 GN44)          Discovered 2011-Apr-03 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2018-10-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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