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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2923299070507643 3.8763e-08  
a 2.582881042492759 1.0803e-08 au
q 1.827827667417669 9.8461e-08 au
i 13.90641546776415 3.7903e-06 deg
node 174.5228155456973 1.2765e-05 deg
peri 176.9622532579909 1.3716e-05 deg
M 205.9973688118479 6.2775e-06 deg
tp 2459849.105570322264
(2022-Sep-26.60557032)
2.809e-05 TDB
period 1516.194908583996
4.15
9.5124e-06
2.604e-08
d
yr
n .2374364918137147 1.4896e-09 deg/d
Q 3.337934417567848 1.3961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1794  
   data-arc span      11179 days (30.61 yr)  
   first obs. used      1989-11-02  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:39:44  

Additional Information
 Earth MOID = .820955 au 
 Jupiter MOID = 2.11111 au 
 T_jup = 3.323 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457220.5 (2015-Jul-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2926698001800062 3.894e-08  
q 1.82711626183088 9.8916e-08 au
tp 2456811.085686401689
(2014-Jun-02.58568640)
2.5023e-05 TDB
node 174.594370013512 1.2764e-05 deg
peri 176.2338648085486 1.3696e-05 deg
i 13.9018976285264 3.7885e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1794  
   data-arc span      11179 days (30.61 yr)  
   first obs. used      1989-11-02  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:39:44  

Additional Information
 Jupiter MOID = 2.11111 au 
 T_jup = 3.323 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.516286956497607E-15 -3.841389257458337E-15 3.862700297411415E-13 1.069004473156575E-14 3.697512366910103E-14 -3.865738411754899E-15
q -3.841389257458337E-15 9.784413191187039E-15 -1.034937797514265E-12 -2.719842500189021E-14 -1.01272352153666E-13 1.006567458772123E-14
tp 3.862700297411415E-13 -1.034937797514265E-12 6.261415495405423E-10 5.022570807612227E-12 1.289365950446815E-10 -3.13849491590569E-12
node 1.069004473156575E-14 -2.719842500189021E-14 5.022570807612227E-12 1.629272139354637E-10 -1.572435962238788E-10 7.918509519004236E-12
peri 3.697512366910103E-14 -1.01272352153666E-13 1.289365950446815E-10 -1.572435962238788E-10 1.875921596186055E-10 -8.36462224028666E-12
i -3.865738411754899E-15 1.006567458772123E-14 -3.13849491590569E-12 7.918509519004236E-12 -8.36462224028666E-12 1.435246558962186E-11

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 13.76   n/a E2021B10  
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. 2020-October); 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

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