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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158242400861112 7.5708e-08  
a 3.043006072363495 3.3519e-08 au
q 2.561473485637753 2.31e-07 au
i 15.40950301091656 8.4579e-06 deg
node 143.0868766762184 2.3416e-05 deg
peri 201.5649057970094 3.2143e-05 deg
M 213.0097904162713 2.4149e-05 deg
tp 2458192.159747947224
(2018-Mar-14.65974795)
0.00013597 JED
period 1938.887699174686
5.31
3.2035e-05
8.771e-08
d
yr
n .1856734663659164 3.0678e-09 deg/d
Q 3.524538659089238 3.8823e-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 = 1.55675 au 
 Jupiter MOID = 1.87194 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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