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523650 (2011 GQ61)
Classification: Apollo [NEO, PHA]          SPK-ID: 2523650
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4124086697720041 2.4556e-07  
a 1.590134320492343 2.3298e-08 au
q .9343491406192861 3.9198e-07 au
i 65.16165892766398 0.00010943 deg
node 333.5171405083484 2.7426e-05 deg
peri 155.0726315867917 3.4227e-05 deg
M 212.785561886159 4.4045e-05 deg
tp 2459300.000153036725
(2021-Mar-26.50015304)		 9.5569e-05 TDB
period 732.4013627647299
2.01		 1.6096e-05
4.407e-08		 d
yr
n .4915337659135995 1.0803e-08 deg/d
Q 2.2459195003654 3.2906e-08 au
   Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      3444 days (9.43 yr)  
   first obs. used      2011-04-04  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-14 06:56:42  

Additional Information
 Earth MOID = .0286414 au 
 Jupiter MOID = 2.85624 au 
 T_jup = 3.695 
[ 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 18.4   n/a MPO260816  

523650 (2011 GQ61)          Discovered 2011-Apr-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2018-10-01

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