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78287 (2002 PN49)
Classification: Main-belt Asteroid          SPK-ID: 2078287
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 .1481654996753532 4.5768e-08  
a 2.653181070645374 1.5284e-08 au
q 2.260071171584013 1.2282e-07 au
i 11.84169689816359 8.1692e-06 deg
node 297.1600989628574 2.707e-05 deg
peri 138.6483621753977 4.2331e-05 deg
M 323.0523380553917 3.2236e-05 deg
tp 2459162.506792108254
(2020-Nov-09.00679211)
0.00014187 TDB
period 1578.515177669644
4.32
1.364e-05
3.734e-08
d
yr
n .2280624254316431 1.9707e-09 deg/d
Q 3.046290969706734 1.7549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1998-10-30  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:27  

Additional Information
 Earth MOID = 1.28993 au 
 Jupiter MOID = 2.20393 au 
 T_jup = 3.344 
[ 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 15.0   n/a MPO493422  
rotation period rot_per 5.645 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

78287 (2002 PN49)          Discovered 2002-Aug-10 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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