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469770 (2005 QE57)
Classification: Main-belt Asteroid          SPK-ID: 2469770
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4171581145942012 1.3977e-07  
a 3.123875357381705 3.1571e-08 au
q 1.820725403069067 4.4945e-07 au
i 2.613155463059002 1.2813e-05 deg
node 173.3880629368291 0.00016718 deg
peri 224.9511616540406 0.00019104 deg
M 222.3102007157143 4.9849e-05 deg
tp 2459771.826475738470
(2022-Jul-11.32647574)
0.00028912 TDB
period 2016.689200719461
5.52
3.0572e-05
8.37e-08
d
yr
n .1785104020349634 2.7062e-09 deg/d
Q 4.427025311694344 4.4741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      4166 days (11.41 yr)  
   first obs. used      2005-07-06  
   last obs. used      2016-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56265  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:39:13  

Additional Information
 Earth MOID = .829498 au 
 Jupiter MOID = 1.00833 au 
 T_jup = 3.073 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455679.5 (2011-Apr-28.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4202031044128411 1.341e-07  
q 1.808987035029084 4.2281e-07 au
tp 2455743.698969063365
(2011-Jul-01.19896906)
0.00025438 TDB
node 173.4622770765804 0.00016698 deg
peri 224.9748642075396 0.00019041 deg
i 2.616471101078499 1.2834e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      4166 days (11.41 yr)  
   first obs. used      2005-07-06  
   last obs. used      2016-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56265  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:39:13  

Additional Information
 Jupiter MOID = 1.00833 au 
 T_jup = 3.073 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.798167841514282E-14 -5.667318671149406E-14 -3.180164250488407E-11 5.981208077463027E-13 -1.144985286145105E-11 3.888641378023263E-14
q -5.667318671149406E-14 1.787715565988894E-13 1.005114347393335E-10 -1.888248697847347E-12 3.618154899378327E-11 -1.231004478068875E-13
tp -3.180164250488407E-11 1.005114347393335E-10 6.470724353764096E-8 -1.199650635072666E-9 2.334588802256635E-8 -8.21064823776029E-11
node 5.981208077463027E-13 -1.888248697847347E-12 -1.199650635072666E-9 2.788151083558281E-8 -2.825928497224812E-8 -8.436345830399133E-10
peri -1.144985286145105E-11 3.618154899378327E-11 2.334588802256635E-8 -2.825928497224812E-8 3.625726468024416E-8 8.143623066924928E-10
i 3.888641378023263E-14 -1.231004478068875E-13 -8.21064823776029E-11 -8.436345830399133E-10 8.143623066924928E-10 1.647237385516013E-10

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 16.7   n/a MPO397653  

469770 (2005 QE57)          Discovered 2005-Jul-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

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