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JPL Small-Body Database Browser
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173266 (1999 RY189)
Classification: Main-belt Asteroid          SPK-ID: 2173266
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979059114241009 8.0894e-08  
a 2.390147310510774 1.4868e-08 au
q 1.917123028586276 1.8923e-07 au
i 1.878856213835532 6.8759e-06 deg
node 332.6100658709387 0.00020036 deg
peri 23.70382794704439 0.00020175 deg
M 108.2822986538498 1.8943e-05 deg
tp 2458194.533315128950
(2018-Mar-17.03331513)
6.9725e-05 TDB
period 1349.694348665194
3.70
1.2594e-05
3.448e-08
d
yr
n .2667270559116061 2.4888e-09 deg/d
Q 2.863171592435272 1.7811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      7039 days (19.27 yr)  
   first obs. used      1999-09-09  
   last obs. used      2018-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59168  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:08:37  

Additional Information
 Earth MOID = .912009 au 
 Jupiter MOID = 2.57853 au 
 T_jup = 3.505 
[ 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 17.5   n/a MPO224139  

173266 (1999 RY189)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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