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78311 (2002 PB66)
Classification: Main-belt Asteroid          SPK-ID: 2078311
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08136090905101323 3.9896e-08  
a 2.618136466691765 1.8025e-08 au
q 2.405122503742115 1.1086e-07 au
i 10.75386332092346 7.0317e-06 deg
node 300.3264895827937 2.3259e-05 deg
peri 93.82663975049277 5.336e-05 deg
M 351.8145967184572 4.7314e-05 deg
tp 2459035.682316164264
(2020-Jul-05.18231616)
0.00020346 TDB
period 1547.343897849786
4.24
1.5979e-05
4.375e-08
d
yr
n .2326567484450366 2.4026e-09 deg/d
Q 2.831150429641415 1.9491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      9042 days (24.76 yr)  
   first obs. used      1996-01-27  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:20  

Additional Information
 Earth MOID = 1.44073 au 
 Jupiter MOID = 2.50131 au 
 T_jup = 3.377 
[ 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 15.7   n/a MPO493422  

78311 (2002 PB66)          Discovered 2002-Aug-06 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 PB66 = 2000 AQ157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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