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JPL Small-Body Database Browser
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109708 (2001 RL44)
Classification: Main-belt Asteroid          SPK-ID: 2109708
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182867348196973 5.458e-08  
a 2.602575928393441 1.3042e-08 au
q 2.126649769886857 1.3812e-07 au
i 13.65709822826526 4.7229e-06 deg
node 148.7230724305435 1.9466e-05 deg
peri 259.2168054353809 2.3722e-05 deg
M 57.34239956075692 1.4069e-05 deg
tp 2458356.226192630097
(2018-Aug-25.72619263)
5.9282e-05 TDB
period 1533.569772572741
4.20
1.1528e-05
3.156e-08
d
yr
n .2347464109155323 1.7646e-09 deg/d
Q 3.078502086900024 1.5427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      6386 days (17.48 yr)  
   first obs. used      2001-08-18  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51265  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:42:28  

Additional Information
 Earth MOID = 1.18356 au 
 Jupiter MOID = 2.46136 au 
 T_jup = 3.351 
[ 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 15.4   n/a MPO453558  

109708 (2001 RL44)          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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