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175272 (2005 JP157)
Classification: Main-belt Asteroid          SPK-ID: 2175272
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790143677052197 6.9978e-08  
a 3.067008949543879 3.1793e-08 au
q 2.517970281695031 2.1163e-07 au
i 1.691082660061072 8.2995e-06 deg
node 4.180151898932399 0.00018945 deg
peri 316.1801105152168 0.00019035 deg
M 254.165407884964 2.2602e-05 deg
tp 2459777.261325659341
(2022-Jul-16.76132566)		 0.00012825 TDB
period 1961.873458270398
5.37		 3.0505e-05
8.352e-08		 d
yr
n .183498073477878 2.8532e-09 deg/d
Q 3.616047617392726 3.7484e-08 au
   Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6761 days (18.51 yr)  
   first obs. used      2001-10-13  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5895  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:44:22  

Additional Information
 Earth MOID = 1.50354 au 
 Jupiter MOID = 1.70391 au 
 T_jup = 3.207 
[ 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 15.79   n/a E2021B55  

175272 (2005 JP157)          Discovered 2005-May-04 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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