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JPL Small-Body Database Browser
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226143 (2002 RN157)
Classification: Main-belt Asteroid          SPK-ID: 2226143
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715735062986646 5.3545e-08  
a 2.322020819298821 1.4878e-08 au
q 1.923623565633225 1.2729e-07 au
i 1.650166135610077 6.2319e-06 deg
node 310.5234843147819 0.00018827 deg
peri 293.0534856559525 0.00018929 deg
M 341.6926182508482 1.742e-05 deg
tp 2458666.223597559906
(2019-Jul-01.72359756)		 6.2533e-05 TDB
period 1292.401909009309
3.54		 1.2421e-05
3.401e-08		 d
yr
n .2785511205844304 2.6772e-09 deg/d
Q 2.720418072964419 1.7431e-08 au
   Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      6652 days (18.21 yr)  
   first obs. used      2001-02-22  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:28:43  

Additional Information
 Earth MOID = .91114 au 
 Jupiter MOID = 2.30211 au 
 T_jup = 3.557 
[ 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 16.9   n/a MPO433481  

226143 (2002 RN157)          Discovered 2002-Sep-11 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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