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78873 (2003 QX103)
Classification: Main-belt Asteroid          SPK-ID: 2078873
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140790453901359 5.4947e-08  
a 2.777085414269506 1.5072e-08 au
q 2.386098298271659 1.5669e-07 au
i 6.796443764579688 4.5799e-06 deg
node 60.22261596749465 4.2358e-05 deg
peri 315.7381463625062 4.3782e-05 deg
M 287.697283053089 1.2591e-05 deg
tp 2459735.995795062928
(2022-Jun-05.49579506)
6.0229e-05 TDB
period 1690.371971946701
4.63
1.3761e-05
3.768e-08
d
yr
n .2129708762180962 1.7337e-09 deg/d
Q 3.168072530267354 1.7194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      8860 days (24.26 yr)  
   first obs. used      1997-05-01  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53659  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:01:31  

Additional Information
 Earth MOID = 1.39292 au 
 Jupiter MOID = 2.30456 au 
 T_jup = 3.310 
[ 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 14.89   n/a E2021B10  
diameter diameter 6.456 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78873 (2003 QX103)          Discovered 2003-Aug-31 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 QX103 = 1997 JE2 = 1999 XF264 = 1999 XQ263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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