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78840 (2003 QE47)
Classification: Main-belt Asteroid          SPK-ID: 2078840
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .232261641554535 4.5153e-08  
a 2.30459781457598 6.2138e-09 au
q 1.769328143039569 1.0441e-07 au
i 3.068531416051404 4.6053e-06 deg
node 208.3164340421907 5.8983e-05 deg
peri 187.4845170619886 5.9567e-05 deg
M 265.4417534978733 7.6372e-06 deg
tp 2459336.151084452211
(2021-May-01.65108445)
2.7873e-05 TDB
period 1277.883155331971
3.50
5.1683e-06
1.415e-08
d
yr
n .2817158974964957 1.1394e-09 deg/d
Q 2.839867486112391 7.6571e-09 au
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      11187 days (30.63 yr)  
   first obs. used      1989-10-30  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:19  

Additional Information
 Earth MOID = .776269 au 
 Jupiter MOID = 2.58938 au 
 T_jup = 3.551 
[ 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 15.9   n/a MPO436332  
diameter diameter 1.680 km 0.574 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.328   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78840 (2003 QE47)          Discovered 2003-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 QE47 = 1989 UH5 = 2001 DN105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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