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280155 (2002 PE166)
Classification: Main-belt Asteroid          SPK-ID: 2280155
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07141813503672254 7.0303e-08  
a 2.763778604966201 3.1923e-08 au
q 2.56639469134512 2.01e-07 au
i 1.684630160748802 7.0182e-06 deg
node 78.50159065536107 0.00025814 deg
peri 247.3754922065606 0.00026395 deg
M 317.4938751916757 5.7039e-05 deg
tp 2459198.653758827314
(2020-Dec-15.15375883)
0.00026732 TDB
period 1678.237042297082
4.59
2.9077e-05
7.961e-08
d
yr
n .2145108175584369 3.7166e-09 deg/d
Q 2.961162518587281 3.4203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6137 days (16.80 yr)  
   first obs. used      2002-08-08  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69648  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:49:55  

Additional Information
 Earth MOID = 1.55498 au 
 Jupiter MOID = 2.2612 au 
 T_jup = 3.336 
[ 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 16.8   n/a MPO433810  

280155 (2002 PE166)          Discovered 2002-Aug-08 by Lowe, A. at Palomar
Reference: 20110615/Numbers.arcLast Updated: 2011-06-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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