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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588258384903531 6.6801e-08  
a 3.040813261099983 3.2064e-08 au
q 2.557853545213193 2.0777e-07 au
i 15.40693666656625 7.4091e-06 deg
node 143.0703229756868 2.2038e-05 deg
peri 201.7781564742595 3.0155e-05 deg
M 249.9670200555692 2.3959e-05 deg
tp 2458192.475082562847
(2018-Mar-14.97508256)
0.00013391 JED
period 1936.792312907012
5.30
3.0634e-05
8.387e-08
d
yr
n .1858743436768711 2.94e-09 deg/d
Q 3.523772976986772 3.7157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      9020 days (24.70 yr)  
   first obs. used      1991-08-07  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57238  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:19:13  

Additional Information
 Earth MOID = 1.55447 au 
 Jupiter MOID = 1.87416 au 
 T_jup = 3.166 
[ 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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