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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478540696874208 3.1449e-08  
a 3.122615643526118 2.0387e-08 au
q 2.660924212561177 9.8717e-08 au
i .3444477600096185 3.8485e-06 deg
node 52.43710006527164 0.00073071 deg
peri 226.9406962836864 0.00073094 deg
M 20.49168080472883 1.6535e-05 deg
tp 2458885.776786080146
(2020-Feb-06.27678608)
9.2895e-05 TDB
period 2015.469468059275
5.52
1.9738e-05
5.404e-08
d
yr
n .178618433920832 1.7492e-09 deg/d
Q 3.584307074491059 2.3401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      10799 days (29.57 yr)  
   first obs. used      1991-04-07  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:45:50  

Additional Information
 Earth MOID = 1.64448 au 
 Jupiter MOID = 1.54892 au 
 T_jup = 3.199 
[ 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 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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