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78430 Andrewpearce (2002 QX48)
Classification: Main-belt Asteroid          SPK-ID: 2078430
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05820309115182739 7.2622e-08  
a 2.708015550569498 3.3512e-08 au
q 2.550400674639136 1.8598e-07 au
i 3.215081622478201 7.514e-06 deg
node 87.94982841383654 0.00014059 deg
peri 339.1244352051646 0.00015807 deg
M 258.5946126258563 7.0735e-05 deg
tp 2457858.994030275227
(2017-Apr-15.49403028)
0.00032089 JED
period 1627.702976865389
4.46
3.0215e-05
8.272e-08
d
yr
n .2211705729587617 4.1055e-09 deg/d
Q 2.865630426499861 3.5463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      5198 days (14.23 yr)  
   first obs. used      2000-01-29  
   last obs. used      2014-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61566  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 16:33:05  

Additional Information
 Earth MOID = 1.56364 au 
 Jupiter MOID = 2.30601 au 
 T_jup = 3.360 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0 mag n/a MPO250885  

78430 Andrewpearce           Discovered 2002 Aug. 18 by S. F. Hönig on NEAT images taken at Palomar.
Australian amateur astronomer Andrew Pearce (b. 1966) is a very active observer who is regularly involved in the confirmation of new comet and nova discoveries. Since 1982 Pearce has observed more than 150 comets, thereby making a significant contribution to the International Comet Quarterly.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041126/MPCPages.arcLast Updated: 2004-12-06

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