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46715 (1997 HE13)
Classification: Main-belt Asteroid          SPK-ID: 2046715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475265696350472 3.5894e-08  
a 3.120682175363415 2.4184e-08 au
q 2.660298639110814 1.156e-07 au
i .3450705425317681 5.2691e-06 deg
node 52.4806660793795 0.00079476 deg
peri 227.3949171381895 0.00079502 deg
M 308.6276456761365 2.0529e-05 deg
tp 2458887.842394115369
(2020-Feb-08.34239412)
0.00011514 TDB
period 2013.597843489948
5.51
2.3407e-05
6.408e-08
d
yr
n .1787844584577284 2.0782e-09 deg/d
Q 3.581065711616016 2.7752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      10261 days (28.09 yr)  
   first obs. used      1991-04-07  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:34:07  

Additional Information
 Earth MOID = 1.64329 au 
 Jupiter MOID = 1.55289 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456614.5 (2013-Nov-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1462002811208017 3.5863e-08  
q 2.664847972836919 1.1528e-07 au
tp 2456876.590769370027
(2014-Aug-07.09076937)
0.00011615 TDB
node 52.48667081026892 0.00079304 deg
peri 227.830691770081 0.00079331 deg
i .3457605691486772 5.269e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      10261 days (28.09 yr)  
   first obs. used      1991-04-07  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:34:07  

Additional Information
 Jupiter MOID = 1.55289 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.286122320419875E-15 -4.065740058211108E-15 -1.394707758321624E-13 2.561470404231462E-15 -4.59192602189719E-14 5.561260814914635E-17
q -4.065740058211108E-15 1.329022400306516E-14 1.869890432888359E-13 -2.097448248253544E-14 1.065808269639746E-13 -1.699732755740632E-16
tp -1.394707758321624E-13 1.869890432888359E-13 1.349058975417777E-8 -1.075163144838174E-11 2.406909280793446E-9 -3.744652852156635E-14
node 2.561470404231462E-15 -2.097448248253544E-14 -1.075163144838174E-11 6.289143255461088E-7 -6.289049063632332E-7 -1.376972326805735E-9
peri -4.59192602189719E-14 1.065808269639746E-13 2.406909280793446E-9 -6.289049063632332E-7 6.293329809918468E-7 1.376937500493685E-9
i 5.561260814914635E-17 -1.699732755740632E-16 -3.744652852156635E-14 -1.376972326805735E-9 1.376937500493685E-9 2.776259482036793E-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 14.9   n/a MPO347848  

46715 (1997 HE13)          Discovered 1997-Apr-30 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 HE13 = 2002 EY54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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