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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2443066626205301 5.8612e-08  
a 2.355834155328857 1.1686e-08 au
q 1.780288175153008 1.4285e-07 au
i 1.554311058054349 5.2741e-06 deg
node 232.041098684885 0.00020122 deg
peri 111.5312334211096 0.00020143 deg
M 260.9276980442 1.0355e-05 deg
tp 2459363.967221497422
(2021-May-29.46722150)		 3.9513e-05 TDB
period 1320.734424818839
3.62		 9.8273e-06
2.691e-08		 d
yr
n .2725756164411176 2.0282e-09 deg/d
Q 2.931380135504705 1.4541e-08 au
   Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      7554 days (20.68 yr)  
   first obs. used      1999-08-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:25:30  

Additional Information
 Earth MOID = .773321 au 
 Jupiter MOID = 2.48712 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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