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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .417158146460547 1.3271e-07  
a 3.123875347405367 3.0385e-08 au
q 1.820725297707947 4.2644e-07 au
i 2.613146421307561 1.2795e-05 deg
node 173.3881724544304 0.00016675 deg
peri 224.9510357238642 0.00018799 deg
M 222.31021365112 4.6941e-05 deg
tp 2459771.826399580498
(2022-Jul-11.32639958)
0.00027231 TDB
period 2016.689191058781
5.52
2.9424e-05
8.056e-08
d
yr
n .1785104028900936 2.6045e-09 deg/d
Q 4.427025397102788 4.3061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   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      .55156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:18:21  

Additional Information
 Earth MOID = .829498 au 
 Jupiter MOID = 1.00833 au 
 T_jup = 3.073 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455671.5 (2011-Apr-20.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4201982601235269 1.2741e-07  
q 1.808976575571694 4.0156e-07 au
tp 2455743.703274945076
(2011-Jul-01.20327495)
0.00023947 TDB
node 173.462384052126 0.00016655 deg
peri 224.9768778674427 0.00018741 deg
i 2.616461564061617 1.2817e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      197  
   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      .55156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:18:21  

Additional Information
 Jupiter MOID = 1.00833 au 
 T_jup = 3.073 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.623354198261072E-14 -5.113831684993523E-14 -2.82198046206202E-11 5.202433370302717E-13 -1.013258884051866E-11 3.388639577386195E-14
q -5.113831684993523E-14 1.612469777964264E-13 8.917298477548288E-11 -1.641801631570941E-12 3.201180835374644E-11 -1.072761486387425E-13
tp -2.82198046206202E-11 8.917298477548288E-11 5.73475623824284E-8 -1.040625681330063E-9 2.064105473533307E-8 -7.185363570860979E-11
node 5.202433370302717E-13 -1.641801631570941E-12 -1.040625681330063E-9 2.773836166376379E-8 -2.806136697332485E-8 -8.412252224950928E-10
peri -1.013258884051866E-11 3.201180835374644E-11 2.064105473533307E-8 -2.806136697332485E-8 3.5123920021287E-8 8.155006781917004E-10
i 3.388639577386195E-14 -1.072761486387425E-13 -7.185363570860979E-11 -8.412252224950928E-10 8.155006781917004E-10 1.642650347084008E-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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