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14421 (1991 SA1)
Classification: Main-belt Asteroid          SPK-ID: 2014421
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1558294473514279 7.5181e-08  
a 3.048532327589619 3.3121e-08 AU
q 2.573481219748367 2.2892e-07 AU
i 15.4067047049536 8.4643e-06 deg
node 143.0989925605454 2.3385e-05 deg
peri 200.9598665294963 3.2504e-05 deg
M 139.6681896456143 2.421e-05 deg
tp 2456246.225132547203
(2012-Nov-14.72513255)
0.0001267 JED
period 1944.171775777962
5.32
3.1684e-05
8.675e-08
d
yr
n .1851688232928625 3.0176e-09 deg/d
Q 3.523583435430872 3.8282e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8653 days (23.69 yr)  
   first obs. used      1991-08-07  
   last obs. used      2015-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56552  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:20:38  

Additional Information
 Earth MOID = 1.57077 AU 
 T_jup = 3.165 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO319265  

14421 (1991 SA1)          Discovered 1991-Sep-30 by McNaught, R. H. at Siding Spring
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 SA1 = 1999 CV62 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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