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91578 (1999 SK14)
Classification: Main-belt Asteroid          SPK-ID: 2091578
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08949592559476074 6.7132e-08  
a 2.914478688830255 1.5353e-08 au
q 2.653644720947187 1.9289e-07 au
i 2.80395039825621 4.2032e-06 deg
node 52.30429928535263 8.801e-05 deg
peri 332.2050694433373 9.4759e-05 deg
M 120.2221737093361 3.0968e-05 deg
tp 2458789.593444941379
(2019-Nov-02.09344494)
0.00015733 TDB
period 1817.354927796788
4.98
1.4361e-05
3.932e-08
d
yr
n .1980900893346323 1.5653e-09 deg/d
Q 3.175312656713324 1.6727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      7904 days (21.64 yr)  
   first obs. used      1999-09-14  
   last obs. used      2021-05-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55219  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:40:55  

Additional Information
 Earth MOID = 1.65699 au 
 Jupiter MOID = 2.2513 au 
 T_jup = 3.274 
[ 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 15.27   n/a MPCxxxxx  

91578 (1999 SK14)          Discovered 1999-Sep-30 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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