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78302 (2002 PW57)
Classification: Main-belt Asteroid          SPK-ID: 2078302
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2266304666116646 4.6628e-08  
a 2.597899317384368 1.1973e-08 au
q 2.009136182875424 1.2471e-07 au
i 12.84264575242249 4.0441e-06 deg
node 320.9915986651225 2.3325e-05 deg
peri 91.98229599901076 2.7876e-05 deg
M 32.68294092307 1.0637e-05 deg
tp 2458861.648515031266
(2020-Jan-13.14851503)
4.5261e-05 TDB
period 1529.438085342559
4.19
1.0573e-05
2.895e-08
d
yr
n .2353805645681749 1.6272e-09 deg/d
Q 3.186662451893312 1.4686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      804  
   data-arc span      7870 days (21.55 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:21  

Additional Information
 Earth MOID = 1.06794 au 
 Jupiter MOID = 2.34347 au 
 T_jup = 3.345 
[ 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 15.2   n/a MPO502628  

78302 (2002 PW57)          Discovered 2002-Aug-09 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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