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78428 (2002 QC46)
Classification: Main-belt Asteroid          SPK-ID: 2078428
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596506707727688 5.5714e-08  
a 3.020125269036316 2.5907e-08 au
q 2.537960244016879 1.6626e-07 au
i 7.074816795609914 5.798e-06 deg
node 115.896181322749 6.0939e-05 deg
peri 202.222128777247 6.474e-05 deg
M 144.144216292687 2.1749e-05 deg
tp 2458232.907747035525
(2018-Apr-24.40774704)
0.00011559 TDB
period 1917.060692231398
5.25
2.4667e-05
6.753e-08
d
yr
n .1877874818772541 2.4163e-09 deg/d
Q 3.502290294055753 3.0043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      8932 days (24.45 yr)  
   first obs. used      1996-05-12  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54585  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:53  

Additional Information
 Earth MOID = 1.52619 au 
 Jupiter MOID = 1.79801 au 
 T_jup = 3.216 
[ 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 15.5   n/a MPO412653  
diameter diameter 6.220 km 0.734 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78428 (2002 QC46)          Discovered 2002-Aug-29 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 QC46 = 1996 JS8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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