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JPL Small-Body Database Browser
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172182 (2002 PK74)
Classification: Main-belt Asteroid          SPK-ID: 2172182
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 .1002883910679757 4.8995e-08  
a 2.673996316103832 1.7544e-08 au
q 2.405825527840085 1.3537e-07 au
i 11.66013017074747 4.1742e-06 deg
node 194.9679274870635 2.5804e-05 deg
peri 109.1728154207627 3.6168e-05 deg
M 43.19126407599236 2.3135e-05 deg
tp 2458808.883436249477
(2019-Nov-21.38343625)
0.00010234 TDB
period 1597.127669818107
4.37
1.5718e-05
4.303e-08
d
yr
n .2254046478582389 2.2183e-09 deg/d
Q 2.94216710436758 1.9303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      1998-10-10  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:28  

Additional Information
 Earth MOID = 1.42195 au 
 Jupiter MOID = 2.30513 au 
 T_jup = 3.343 
[ 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 15.7   n/a MPO436856  

172182 (2002 PK74)          Discovered 2002-Aug-12 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2002 PK74 = 1998 TZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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