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66579 (1999 RK154)
Classification: Main-belt Asteroid          SPK-ID: 2066579
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818107460334126 4.7478e-08  
a 2.604563097298961 1.199e-08 au
q 2.131025537487941 1.2983e-07 au
i 3.191027492853912 3.671e-06 deg
node 307.6861065288813 7.0934e-05 deg
peri 94.11728085993785 7.1858e-05 deg
M 25.48347203817443 1.1604e-05 deg
tp 2459287.818193294668
(2021-Mar-14.31819329)
4.9182e-05 TDB
period 1535.3265189025
4.20
1.0602e-05
2.903e-08
d
yr
n .2344778101386143 1.6191e-09 deg/d
Q 3.078100657109981 1.417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1067  
   data-arc span      7845 days (21.48 yr)  
   first obs. used      1999-08-22  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52513  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:32:39  

Additional Information
 Earth MOID = 1.14179 au 
 Jupiter MOID = 2.34421 au 
 T_jup = 3.387 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457695.5 (2016-Nov-03.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845482865688245 4.7802e-08  
q 2.123452332487966 1.3114e-07 au
tp 2457749.913132982022
(2016-Dec-27.41313298)
4.4152e-05 TDB
node 307.8608116236554 7.1169e-05 deg
peri 93.49087597337225 7.2028e-05 deg
i 3.186295586240097 3.6669e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1067  
   data-arc span      7845 days (21.48 yr)  
   first obs. used      1999-08-22  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52513  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:32:39  

Additional Information
 Jupiter MOID = 2.34421 au 
 T_jup = 3.387 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.285032254518338E-15 -6.257475518294659E-15 -8.01584830667666E-13 1.276442112249312E-14 -1.271992913047832E-13 -2.618349628357484E-15
q -6.257475518294659E-15 1.719654405941603E-14 2.187205228190321E-12 -3.393324047877583E-14 3.443752017328919E-13 7.359172195147498E-15
tp -8.01584830667666E-13 2.187205228190321E-12 1.949366289456882E-9 -1.704656729018464E-11 5.017890013786167E-10 1.440525964913202E-12
node 1.276442112249312E-14 -3.393324047877583E-14 -1.704656729018464E-11 5.065056653549626E-9 -5.06094998754388E-9 8.323272239410852E-11
peri -1.271992913047832E-13 3.443752017328919E-13 5.017890013786167E-10 -5.06094998754388E-9 5.188079142061798E-9 -8.28577156410299E-11
i -2.618349628357484E-15 7.359172195147498E-15 1.440525964913202E-12 8.323272239410852E-11 -8.28577156410299E-11 1.344634261759214E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.09   n/a E2021B10  

66579 (1999 RK154)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RK154 = 2001 BX58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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