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(2005 GR33)
Classification: Aten [NEO]          SPK-ID: 3275978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3844145628471229 2.7257e-07  
a .7784258127962284 1.5613e-09 au
q .4791875942612498 2.1148e-07 au
i 27.98866765502401 5.2665e-05 deg
node 22.67651566783731 3.6894e-06 deg
peri 334.6312010347221 2.6767e-05 deg
M 239.2568680081644 6.9282e-05 deg
tp 2459084.636454370193
(2020-Aug-23.13645437)
4.813e-05 TDB
period 250.8558712500314
0.69
7.547e-07
2.066e-09
d
yr
n 1.435087001177593 4.3175e-09 deg/d
Q 1.077664031331207 2.1614e-09 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      4732 days (12.96 yr)  
   first obs. used      2005-04-06  
   last obs. used      2018-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38056  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-22 06:22:15  

Additional Information
 Earth MOID = .011854 au 
 Jupiter MOID = 4.39732 au 
 T_jup = 7.315 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456428.5 (2013-May-16.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3836854742608083 2.7468e-07  
q .4800477658363855 2.1402e-07 au
tp 2456324.321771811759
(2013-Jan-31.82177181)
5.0929e-05 TDB
node 22.7080337091885 3.6673e-06 deg
peri 334.5625226623748 2.669e-05 deg
i 27.9993184980664 5.2595e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      4732 days (12.96 yr)  
   first obs. used      2005-04-06  
   last obs. used      2018-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38056  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-22 06:22:15  

Additional Information
 Jupiter MOID = 4.39732 au 
 T_jup = 7.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.544822540238237E-14 -5.878727897634378E-14 -1.380906321650664E-11 3.32552629631302E-13 -7.118194684746014E-12 1.186881228109566E-11
q -5.878727897634378E-14 4.580558999717859E-14 1.076008158415041E-11 -2.592408598531068E-13 5.54626211477161E-12 -9.249099645169788E-12
tp -1.380906321650664E-11 1.076008158415041E-11 2.593754322564865E-9 -4.880231498456237E-11 1.348249309093973E-9 -2.118785919427052E-9
node 3.32552629631302E-13 -2.592408598531068E-13 -4.880231498456237E-11 1.344929160724801E-11 -3.03139013984731E-11 4.394636841998871E-11
peri -7.118194684746014E-12 5.54626211477161E-12 1.348249309093973E-9 -3.03139013984731E-11 7.123614903983946E-10 -1.049908644602476E-9
i 1.186881228109566E-11 -9.249099645169788E-12 -2.118785919427052E-9 4.394636841998871E-11 -1.049908644602476E-9 2.766285999811999E-9

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.2   n/a MPO440999  

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