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JPL Small-Body Database Browser
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173259 (1999 RF137)
Classification: Main-belt Asteroid          SPK-ID: 2173259
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2440513000838893 6.1296e-08  
a 2.356125562316143 1.1896e-08 au
q 1.781110055672003 1.4859e-07 au
i 1.554297173861219 5.2767e-06 deg
node 232.0442529419279 0.00024322 deg
peri 111.5523862877055 0.00024345 deg
M 151.8580063212449 1.0338e-05 deg
tp 2458043.274135518629
(2017-Oct-16.77413552)		 3.6416e-05 TDB
period 1320.979486514103
3.62		 1.0004e-05
2.739e-08		 d
yr
n .2725250495372902 2.0639e-09 deg/d
Q 2.931141068960282 1.4799e-08 au
   Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      7106 days (19.46 yr)  
   first obs. used      1999-08-22  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60553  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:32:13  

Additional Information
 Earth MOID = .773231 au 
 Jupiter MOID = 2.4839 au 
 T_jup = 3.513 
[ 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 17.0   n/a MPO264384  

173259 (1999 RF137)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1999 RF137 = 2005 EH81 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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