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78262 (2002 PN21)
Classification: Main-belt Asteroid          SPK-ID: 2078262
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07827117078146505 3.8933e-08  
a 2.719357239061778 1.7697e-08 au
q 2.50650996418736 1.1401e-07 au
i 3.934163877311816 4.4491e-06 deg
node 202.2330429182915 5.9223e-05 deg
peri 223.5022878204677 6.8807e-05 deg
M 248.8112180276294 3.7325e-05 deg
tp 2459506.390233339530
(2021-Oct-18.89023334)
0.00017248 TDB
period 1637.939374562861
4.48
1.5989e-05
4.378e-08
d
yr
n .2197883545574317 2.1455e-09 deg/d
Q 2.932204513936195 1.9082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      7576 days (20.74 yr)  
   first obs. used      2000-02-02  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:31  

Additional Information
 Earth MOID = 1.5216 au 
 Jupiter MOID = 2.29962 au 
 T_jup = 3.351 
[ 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 15.5   n/a MPO474673  

78262 (2002 PN21)          Discovered 2002-Aug-06 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 PN21 = 2000 CT13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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