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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001300953775581 7.6062e-08  
a 2.386017086620394 2.0215e-08 au
q 1.908503259502571 1.7491e-07 au
i 7.113063122739828 6.5713e-06 deg
node 220.3289952840532 4.3032e-05 deg
peri 192.7386355340941 4.5905e-05 deg
M 175.0453118846947 1.7397e-05 deg
tp 2457945.929039859807
(2017-Jul-11.42903986)
5.9329e-05 TDB
period 1346.197410906344
3.69
1.7108e-05
4.684e-08
d
yr
n .267419917081571 3.3985e-09 deg/d
Q 2.863530913738217 2.426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      6027 days (16.50 yr)  
   first obs. used      2002-12-01  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56912  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:57:17  

Additional Information
 Earth MOID = .919666 au 
 Jupiter MOID = 2.50783 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457463.5 (2016-Mar-16.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2009566394068781 7.6083e-08  
q 1.905484543547726 1.7502e-07 au
tp 2457946.278767781367
(2017-Jul-11.77876778)
5.9007e-05 TDB
node 220.3350695856978 4.303e-05 deg
peri 192.7398146805303 4.5872e-05 deg
i 7.114493689279968 6.5724e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      6027 days (16.50 yr)  
   first obs. used      2002-12-01  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56912  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:57:17  

Additional Information
 Jupiter MOID = 2.50783 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.788656452199206E-15 -1.327087816468751E-14 1.400070588122981E-12 2.145478720415618E-14 6.261303622805242E-14 -1.107717832408795E-14
q -1.327087816468751E-14 3.063323971092105E-14 -2.731377188539963E-12 -4.951975176786689E-14 -3.455469556501516E-14 2.408432472114572E-14
tp 1.400070588122981E-12 -2.731377188539963E-12 3.481809568529737E-9 -5.217711323486165E-12 9.177738548783841E-10 -1.326069210296219E-11
node 2.145478720415618E-14 -4.951975176786689E-14 -5.217711323486165E-12 1.851546980745566E-9 -1.839540228474454E-9 7.520026442796309E-11
peri 6.261303622805242E-14 -3.455469556501516E-14 9.177738548783841E-10 -1.839540228474454E-9 2.104231303046705E-9 -7.772108777736131E-11
i -1.107717832408795E-14 2.408432472114572E-14 -1.326069210296219E-11 7.520026442796309E-11 -7.772108777736131E-11 4.319589754000501E-11

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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