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172173 (2002 PW24)
Classification: Main-belt Asteroid          SPK-ID: 2172173
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08288427069837705 4.2942e-08  
a 2.40131718504266 1.2932e-08 au
q 2.20228576144492 1.0431e-07 au
i 3.517721188229528 4.5698e-06 deg
node 248.2090895931218 8.8484e-05 deg
peri 353.4254202301082 9.5994e-05 deg
M 349.2729912782596 3.4878e-05 deg
tp 2459040.999424621152
(2020-Jul-10.49942462)
0.00013159 TDB
period 1359.166683072233
3.72
1.0979e-05
3.006e-08
d
yr
n .2648681758342275 2.1396e-09 deg/d
Q 2.600348608640401 1.4003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      7470 days (20.45 yr)  
   first obs. used      1999-11-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:16:06  

Additional Information
 Earth MOID = 1.18945 au 
 Jupiter MOID = 2.40194 au 
 T_jup = 3.518 
[ 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 MPO422656  

172173 (2002 PW24)          Discovered 2002-Aug-06 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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