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74663 (1999 RK93)
Classification: Main-belt Asteroid          SPK-ID: 2074663
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1690916712051422 4.0377e-08  
a 2.334284544128131 9.9572e-09 au
q 1.939576469493172 9.2938e-08 au
i 5.175294330018628 5.5519e-06 deg
node 22.26489413684208 4.2531e-05 deg
peri 305.550775601885 4.5424e-05 deg
M 313.1376655628944 1.7302e-05 deg
tp 2459170.070592207992
(2020-Nov-16.57059221)
6.3099e-05 TDB
period 1302.654123575659
3.57
8.3349e-06
2.282e-08
d
yr
n .2763588534244493 1.7683e-09 deg/d
Q 2.72899261876309 1.1641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      9681 days (26.51 yr)  
   first obs. used      1992-10-25  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56298  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:22:04  

Additional Information
 Earth MOID = .934065 au 
 Jupiter MOID = 2.61897 au 
 T_jup = 3.544 
[ 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 16.0   n/a MPO319940  

74663 (1999 RK93)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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