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78820 (2003 QT6)
Classification: Main-belt Asteroid          SPK-ID: 2078820
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108254205925025 4.0377e-08  
a 2.734166575940822 1.3971e-08 au
q 2.431151415192218 1.1132e-07 au
i 4.525473638436947 5.7339e-06 deg
node 178.6194755853419 5.1336e-05 deg
peri 149.3285458629043 5.7946e-05 deg
M 267.0620177007154 2.8213e-05 deg
tp 2459426.811080333966
(2021-Jul-31.31108033)
0.00013053 TDB
period 1651.337646066037
4.52
1.2657e-05
3.465e-08
d
yr
n .2180050826417141 1.671e-09 deg/d
Q 3.037181736689426 1.552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      9881 days (27.05 yr)  
   first obs. used      1993-05-21  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:01:14  

Additional Information
 Earth MOID = 1.42129 au 
 Jupiter MOID = 2.28176 au 
 T_jup = 3.339 
[ 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 14.9   n/a MPO337850  
diameter diameter 3.990 km 0.714 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.146   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78820 (2003 QT6)          Discovered 2003-Aug-20 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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