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109707 (2001 RK44)
Classification: Main-belt Asteroid          SPK-ID: 2109707
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1834568311393247 6.0819e-08  
a 2.643766470376163 1.2378e-08 au
q 2.158749451448555 1.6279e-07 au
i 13.54572071368195 5.5489e-06 deg
node 64.53012348809901 2.0046e-05 deg
peri 324.4606540658896 2.2941e-05 deg
M 126.5097166244843 1.0919e-05 deg
tp 2458448.734623883825
(2018-Nov-26.23462388)
4.6455e-05 TDB
period 1570.120783618764
4.30
1.1027e-05
3.019e-08
d
yr
n .2292817239004274 1.6103e-09 deg/d
Q 3.128783489303771 1.4649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      6829 days (18.70 yr)  
   first obs. used      2001-08-18  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:07:54  

Additional Information
 Earth MOID = 1.17997 au 
 Jupiter MOID = 2.32687 au 
 T_jup = 3.331 
[ 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 15.1   n/a MPO469123  

109707 (2001 RK44)          Discovered 2001-Sep-12 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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