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357253 (2002 PQ171)
Classification: Main-belt Asteroid          SPK-ID: 2357253
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1244036507460935 1.5362e-07  
a 2.55928282821411 5.5391e-08 au
q 2.240898701092488 3.5452e-07 au
i 4.088277962588755 9.7025e-06 deg
node 355.5554356863386 0.00010861 deg
peri 291.1428279223019 0.00017493 deg
M 152.2022902529617 0.00017287 deg
tp 2458368.241702277063
(2018-Sep-06.74170228)
0.00069868 TDB
period 1495.463614916453
4.09
4.855e-05
1.329e-07
d
yr
n .2407280233428562 7.8152e-09 deg/d
Q 2.877666955335733 6.2282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      2002-08-08  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70986  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:28:19  

Additional Information
 Earth MOID = 1.22861 au 
 Jupiter MOID = 2.27967 au 
 T_jup = 3.421 
[ 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 17.4   n/a MPO503411  

357253 (2002 PQ171)          Discovered 2002-Aug-14 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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