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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 ]

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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 .182923356190631 5.46e-08  
a 2.601812259264164 1.2585e-08 au
q 2.125880028621635 1.3813e-07 au
i 13.65890068468361 4.2016e-06 deg
node 148.7251817796935 1.7769e-05 deg
peri 259.1133451037508 2.1318e-05 deg
M 151.374831054065 1.3931e-05 deg
tp 2458355.939732224394
(2018-Aug-25.43973222)
5.6893e-05 TDB
period 1532.894833199465
4.20
1.1122e-05
3.045e-08
d
yr
n .2348497706451305 1.7039e-09 deg/d
Q 3.077744489906693 1.4887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      6849 days (18.75 yr)  
   first obs. used      2001-08-18  
   last obs. used      2020-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:10:26  

Additional Information
 Earth MOID = 1.18325 au 
 Jupiter MOID = 2.46269 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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