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469309 (1999 RZ189)
Classification: Main-belt Asteroid          SPK-ID: 2469309
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .297448375380384 6.4019e-08  
a 2.641571761289658 2.4794e-08 au
q 1.855840532443349 1.777e-07 au
i 13.26445118753958 6.9609e-06 deg
node 6.21730221009726 3.0218e-05 deg
peri 344.49033957 3.3818e-05 deg
M 295.9358413744392 1.6543e-05 deg
tp 2459279.564551240807
(2021-Mar-06.06455124)
7.5271e-05 TDB
period 1568.166047943803
4.29
2.2078e-05
6.045e-08
d
yr
n .2295675260104222 3.2321e-09 deg/d
Q 3.427302990135966 3.2169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      1999-09-04  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55108  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:32:31  

Additional Information
 Earth MOID = .854368 au 
 Jupiter MOID = 2.02267 au 
 T_jup = 3.294 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457389.5 (2016-Jan-02.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2971877145803278 6.3797e-08  
q 1.856029180910922 1.7669e-07 au
tp 2457713.121844754493
(2016-Nov-20.62184475)
5.8964e-05 TDB
node 6.239791291799996 3.0212e-05 deg
peri 344.70240503649 3.3841e-05 deg
i 13.26642173170404 6.9615e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      1999-09-04  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55108  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:32:31  

Additional Information
 Jupiter MOID = 2.02267 au 
 T_jup = 3.294 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.070014370210424E-15 -1.122862011075878E-14 -1.482317359193641E-12 2.03365819878901E-14 -4.240355998183266E-13 -3.18644162425192E-14
q -1.122862011075878E-14 3.121949166086104E-14 4.591564807488226E-12 -4.340606889468224E-14 1.268276634999234E-12 9.15006354120184E-14
tp -1.482317359193641E-12 4.591564807488226E-12 3.476743116917378E-9 5.2433815297659E-11 9.357793866485107E-10 2.627043092375813E-11
node 2.03365819878901E-14 -4.340606889468224E-14 5.2433815297659E-11 9.127707967853168E-10 -8.723315434973302E-10 -3.002932476325793E-11
peri -4.240355998183266E-13 1.268276634999234E-12 9.357793866485107E-10 -8.723315434973302E-10 1.145180682577825E-9 3.656195045398682E-11
i -3.18644162425192E-14 9.15006354120184E-14 2.627043092375813E-11 -3.002932476325793E-11 3.656195045398682E-11 4.846206894789986E-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 16.8   n/a MPO437768  

469309 (1999 RZ189)          Discovered 1999-Sep-04 by LONEOS at Anderson Mesa
Reference: Last Updated: 2016-08-22

Alternate Designations
 1999 RZ189 = 2012 TF10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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