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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478540588534471 3.4417e-08  
a 3.122615653825705 2.4131e-08 au
q 2.660924255168264 1.1284e-07 au
i .3444552359495788 5.2546e-06 deg
node 52.43681282908422 0.00074896 deg
peri 226.9409895471166 0.00074923 deg
M 20.49167225852883 1.9833e-05 deg
tp 2458885.776833358670
(2020-Feb-06.27683336)
0.00011092 TDB
period 2015.469478030964
5.52
2.3363e-05
6.396e-08
d
yr
n .1786184330371036 2.0705e-09 deg/d
Q 3.584307052483147 2.7699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      10315 days (28.24 yr)  
   first obs. used      1991-04-07  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:33:26  

Additional Information
 Earth MOID = 1.64448 au 
 Jupiter MOID = 1.54892 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456766.5 (2014-Apr-19.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463134289022906 3.441e-08  
q 2.665054950017629 1.1231e-07 au
tp 2456876.334865437941
(2014-Aug-06.83486544)
0.00011365 TDB
node 52.48707561140228 0.00074554 deg
peri 227.7690501647376 0.00074582 deg
i .3457251619442334 5.2596e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      10315 days (28.24 yr)  
   first obs. used      1991-04-07  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:33:26  

Additional Information
 Jupiter MOID = 1.54892 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.18402692676933E-15 -3.803054863303085E-15 -3.800397625783595E-13 3.921609641162423E-15 -7.944300027756149E-14 5.071817328219495E-17
q -3.803054863303085E-15 1.261438474431421E-14 8.086729734260283E-13 -2.364163705150488E-14 1.924308820378503E-13 -1.589847951440431E-16
tp -3.800397625783595E-13 8.086729734260283E-13 1.291717662242444E-8 -1.4865478843773E-11 2.332963805681042E-9 -3.555237568351002E-14
node 3.921609641162423E-15 -2.364163705150488E-14 -1.4865478843773E-11 5.558355586091895E-7 -5.558282740975152E-7 -1.309738913301271E-9
peri -7.944300027756149E-14 1.924308820378503E-13 2.332963805681042E-9 -5.558282740975152E-7 5.562477489037999E-7 1.309706078296217E-9
i 5.071817328219495E-17 -1.589847951440431E-16 -3.555237568351002E-14 -1.309738913301271E-9 1.309706078296217E-9 2.766372971020288E-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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