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379189 (2009 RO69)
Classification: Main-belt Asteroid          SPK-ID: 2379189
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1991857919246815 3.7755e-08  
a 2.386168407786521 1.37e-08 au
q 1.910877563815907 9.5185e-08 au
i 7.104390362656979 4.2131e-06 deg
node 220.2467341997846 3.6851e-05 deg
peri 193.0308955938673 3.9509e-05 deg
M 281.6491801060877 1.4765e-05 deg
tp 2459293.515847057622
(2021-Mar-20.01584706)
5.6727e-05 TDB
period 1346.32547666473
3.69
1.1595e-05
3.175e-08
d
yr
n .2673944794477431 2.3028e-09 deg/d
Q 2.861459251757136 1.6429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      6529 days (17.88 yr)  
   first obs. used      2002-12-01  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:06:11  

Additional Information
 Earth MOID = .922561 au 
 Jupiter MOID = 2.50999 au 
 T_jup = 3.498 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO437554  

379189 (2009 RO69)          Discovered 2009-Sep-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

Alternate Designations
 2009 RO69 = 2002 XP2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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