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109789 (2001 RX89)
Classification: Main-belt Asteroid          SPK-ID: 2109789
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 .1652749649363392 3.8398e-08  
a 2.585757174576445 1.1115e-08 au
q 2.158396248214436 1.0252e-07 au
i 3.553630540135024 4.299e-06 deg
node 100.8411362244857 6.88e-05 deg
peri 5.946327605451747 7.0189e-05 deg
M 92.04314706790679 1.4929e-05 deg
tp 2458612.198567276526
(2019-May-08.69856728)
6.1734e-05 TDB
period 1518.728120816194
4.16
9.7927e-06
2.681e-08
d
yr
n .2370404518529156 1.5284e-09 deg/d
Q 3.013118100938455 1.2952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      808  
   data-arc span      10572 days (28.94 yr)  
   first obs. used      1991-05-18  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5862  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:08:40  

Additional Information
 Earth MOID = 1.17525 au 
 Jupiter MOID = 2.11535 au 
 T_jup = 3.400 
[ 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 MPO453559  

109789 (2001 RX89)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
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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