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78826 (2003 QE17)
Classification: Main-belt Asteroid          SPK-ID: 2078826
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .253788954057208 4.1771e-08  
a 2.355883612978396 7.7501e-09 au
q 1.757986374960092 1.0001e-07 au
i 4.80913316517338 4.3463e-06 deg
node 222.4517686937132 3.8917e-05 deg
peri 150.4201143448817 3.9407e-05 deg
M 312.9284525930233 6.8448e-06 deg
tp 2459569.197141209857
(2021-Dec-20.69714121)
2.5653e-05 TDB
period 1320.776015668728
3.62
6.5174e-06
1.784e-08
d
yr
n .2725670331147911 1.345e-09 deg/d
Q 2.953780850996699 9.717e-09 au
  Orbit Determination Parameters
   # obs. used (total)      778  
   data-arc span      26161 days (71.62 yr)  
   first obs. used      1949-11-21  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:07:10  

Additional Information
 Earth MOID = .75992 au 
 Jupiter MOID = 2.52374 au 
 T_jup = 3.506 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.85   n/a MPCxxxxx  
diameter diameter 4.391 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78826 (2003 QE17)          Discovered 2003-Aug-22 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 QE17 = 1949 WL1 = 1996 VB33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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