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109731 (2001 RD59)
Classification: Main-belt Asteroid          SPK-ID: 2109731
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09920588400632617 6.9334e-08  
a 2.56612016142192 1.5651e-08 au
q 2.311545942341603 1.7397e-07 au
i 15.41784717508007 8.3811e-06 deg
node 14.07038936407442 1.8071e-05 deg
peri 77.91292509248595 4.5063e-05 deg
M 111.8528455307294 4.1295e-05 deg
tp 2458533.992697533705
(2019-Feb-19.49269753)
0.00017079 TDB
period 1501.460495627063
4.11
1.3737e-05
3.761e-08
d
yr
n .2397665480034167 2.1936e-09 deg/d
Q 2.820694380502238 1.7204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      21764 days (59.59 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:08:19  

Additional Information
 Earth MOID = 1.38178 au 
 Jupiter MOID = 2.39441 au 
 T_jup = 3.375 
[ 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 15.5   n/a MPO469123  

109731 (2001 RD59)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 RD59 = 1999 CW99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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