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78271 (2002 PX28)
Classification: Main-belt Asteroid          SPK-ID: 2078271
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07007153365175789 3.2131e-08  
a 2.719759360292874 1.4444e-08 au
q 2.529181650753428 9.1939e-08 au
i 2.986818718761177 4.7919e-06 deg
node 181.6218499544175 6.8305e-05 deg
peri 247.9447503186464 7.8927e-05 deg
M 248.3821347896717 4.1608e-05 deg
tp 2459508.455138747128
(2021-Oct-20.95513875)
0.00019101 TDB
period 1638.30270005957
4.49
1.3051e-05
3.573e-08
d
yr
n .219739612213854 1.7505e-09 deg/d
Q 2.91033706983232 1.5456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      9960 days (27.27 yr)  
   first obs. used      1993-07-24  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55408  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:30  

Additional Information
 Earth MOID = 1.54514 au 
 Jupiter MOID = 2.28056 au 
 T_jup = 3.354 
[ 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 15.8   n/a MPO436329  

78271 (2002 PX28)          Discovered 2002-Aug-06 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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