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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
[ 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 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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