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JPL Small-Body Database Browser
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357257 (2002 PL197)
Classification: Main-belt Asteroid          SPK-ID: 2357257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05444500020271439 9.6623e-08  
a 2.567744692883343 2.2571e-08 au
q 2.427943832558791 2.4844e-07 au
i 4.852106499777052 5.7968e-06 deg
node 283.3763882450428 0.00010801 deg
peri 82.46466467193015 0.00012251 deg
M 331.9508469982084 5.5689e-05 deg
tp 2458717.596371575049
(2019-Aug-22.09637157)
0.0002323 TDB
period 1502.886513697044
4.11
1.9816e-05
5.425e-08
d
yr
n .2395390448440539 3.1584e-09 deg/d
Q 2.707545553207896 2.38e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      2002-07-04  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59432  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:07:15  

Additional Information
 Earth MOID = 1.4304 au 
 Jupiter MOID = 2.55155 au 
 T_jup = 3.424 
[ 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 17.2   n/a MPO413355  

357257 (2002 PL197)          Discovered 2002-Aug-07 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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