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74748 (1999 RW193)
Classification: Main-belt Asteroid          SPK-ID: 2074748
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1516921747715054 4.3389e-08  
a 2.264791578949704 1.1348e-08 au
q 1.921240418934631 9.8386e-08 au
i 7.648881900662714 5.9439e-06 deg
node 323.0038271172012 3.377e-05 deg
peri 325.4343663739637 3.8541e-05 deg
M 77.68211257826691 1.8344e-05 deg
tp 2458731.867028430345
(2019-Sep-05.36702843)
6.3182e-05 TDB
period 1244.918122787146
3.41
9.3568e-06
2.562e-08
d
yr
n .2891756440929828 2.1734e-09 deg/d
Q 2.608342738964776 1.307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1049  
   data-arc span      10383 days (28.43 yr)  
   first obs. used      1991-02-21  
   last obs. used      2019-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 11:52:10  

Additional Information
 Earth MOID = .910619 au 
 Jupiter MOID = 2.58224 au 
 T_jup = 3.590 
[ 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 15.4   n/a MPO474634  

74748 (1999 RW193)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RW193 = 1998 FX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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