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78865 (2003 QX78)
Classification: Main-belt Asteroid          SPK-ID: 2078865
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032609750501151 4.9476e-08  
a 2.969629969005288 1.6786e-08 au
q 2.662983082867759 1.4486e-07 au
i 10.6557665593917 4.1876e-06 deg
node 8.566142785670397 2.0687e-05 deg
peri 7.435283194717651 2.8855e-05 deg
M 106.6976229113267 1.9108e-05 deg
tp 2458446.507128883398
(2018-Nov-24.00712888)
9.8651e-05 TDB
period 1869.183475321878
5.12
1.5849e-05
4.339e-08
d
yr
n .1925974655527099 1.633e-09 deg/d
Q 3.276276855142817 1.852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1267  
   data-arc span      7850 days (21.49 yr)  
   first obs. used      1998-11-16  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49785  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:13  

Additional Information
 Earth MOID = 1.66422 au 
 Jupiter MOID = 2.19119 au 
 T_jup = 3.229 
[ 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 14.1   n/a MPO453211  
diameter diameter 4.891 km 1.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.203   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78865 (2003 QX78)          Discovered 2003-Aug-24 by LINEAR at Socorro
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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