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14471 (1993 SG1)
Classification: Main-belt Asteroid          SPK-ID: 2014471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2921177969415637 3.9063e-08  
a 2.583305573954678 1.0956e-08 au
q 1.828676040864176 9.945e-08 au
i 13.90415044934807 3.886e-06 deg
node 174.5234579802512 1.3431e-05 deg
peri 176.9525599167955 1.446e-05 deg
M 158.5312857210881 6.318e-06 deg
tp 2458332.656690574786
(2018-Aug-02.15669057)
2.587e-05 TDB
period 1516.568734679072
4.15
9.6475e-06
2.641e-08
d
yr
n .2373779649863224 1.5101e-09 deg/d
Q 3.33793510704518 1.4156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1687  
   data-arc span      11050 days (30.25 yr)  
   first obs. used      1989-11-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:58:18  

Additional Information
 Earth MOID = .82352 au 
 Jupiter MOID = 2.11026 au 
 T_jup = 3.322 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO452374  
diameter diameter 5.465 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 77.623 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.215   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14471 (1993 SG1)          Discovered 1993-Sep-21 by McNaught, R. H. at Siding Spring
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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