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173204 (1998 RN66)
Classification: Main-belt Asteroid          SPK-ID: 2173204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .18655849459906 5.882e-08  
a 2.638929260087894 1.5247e-08 au
q 2.146614589972486 1.5219e-07 au
i 13.32034008965294 5.7663e-06 deg
node 352.9019377776133 2.1277e-05 deg
peri 5.140290807298324 2.677e-05 deg
M 73.61174170609651 1.492e-05 deg
tp 2458880.327046321619
(2020-Jan-31.82704632)
6.4032e-05 TDB
period 1565.813559804292
4.29
1.357e-05
3.715e-08
d
yr
n .2299124297052299 1.9925e-09 deg/d
Q 3.131243930203302 1.8091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      8204 days (22.46 yr)  
   first obs. used      1998-08-31  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:56:04  

Additional Information
 Earth MOID = 1.14114 au 
 Jupiter MOID = 2.31717 au 
 T_jup = 3.333 
[ 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 15.51   n/a MPCxxxxx  

173204 (1998 RN66)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1998 RN66 = 2002 QM43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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