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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1558294438616438 7.5412e-08  
a 3.048532315781883 3.6453e-08 AU
q 2.573481220419343 2.2966e-07 AU
i 15.40670561848158 8.5624e-06 deg
node 143.0989749419113 3.2575e-05 deg
peri 200.9599031182176 4.5338e-05 deg
M 139.6681753252679 2.9306e-05 deg
tp 2456246.225214266152
(2012-Nov-14.72521427)
0.00015824 JED
period 1944.171764482559
5.32
3.4871e-05
9.547e-08
d
yr
n .1851688243686709 3.3213e-09 deg/d
Q 3.523583411144423 4.2134e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      8482 days (23.22 yr)  
   first obs. used      1991-08-07  
   last obs. used      2014-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60923  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:22:09  

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 13.7 mag n/a MPO279667  

14421 (1991 SA1)          Discovered 1991-Sep-30 by McNaught, R. H. at Siding Spring (413)
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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