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109820 (2001 RL109)
Classification: Main-belt Asteroid          SPK-ID: 2109820
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2418423707212064 5.8698e-08  
a 2.468846062942165 1.3652e-08 au
q 1.871774478134515 1.4561e-07 au
i .5206188084562289 4.351e-06 deg
node 286.5348181860172 0.00088958 deg
peri 327.3701884187311 0.00088965 deg
M 3.608605350049373 1.2202e-05 deg
tp 2458986.297122791673
(2020-May-16.79712279)
4.801e-05 TDB
period 1416.900796571627
3.88
1.1752e-05
3.218e-08
d
yr
n .2540756564404976 2.1074e-09 deg/d
Q 3.065917647749814 1.6954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      7300 days (19.99 yr)  
   first obs. used      2000-02-02  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62883  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:33:45  

Additional Information
 Earth MOID = .857183 au 
 Jupiter MOID = 1.99019 au 
 T_jup = 3.444 
[ 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 16.8   n/a MPO426695  

109820 (2001 RL109)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RL109 = 2000 DZ88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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