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78405 (2002 QW14)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078405
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 .1606450512249518 5.5408e-08  
a 3.24192116682545 2.2354e-08 au
q 2.72112257491352 1.8582e-07 au
i 10.91244960683133 8.1703e-06 deg
node 197.8332240100183 2.0705e-05 deg
peri 219.8282158458242 2.9847e-05 deg
M 305.3352854243316 2.0508e-05 deg
tp 2459324.247695657767
(2021-Apr-19.74769566)
0.00012165 TDB
period 2132.073154346494
5.84
2.2052e-05
6.038e-08
d
yr
n .1688497410448115 1.7464e-09 deg/d
Q 3.762719758737379 2.5945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      17192 days (47.07 yr)  
   first obs. used      1973-09-29  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:00  

Additional Information
 Earth MOID = 1.74279 au 
 Jupiter MOID = 1.68878 au 
 T_jup = 3.135 
[ 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 MPO449493  
diameter diameter 8.745 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78405 (2002 QW14)          Discovered 2002-Aug-26 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 QW14 = 1009 T-2 = 1979 UK3 = 1999 CO115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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