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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1473956874793978 3.1298e-08  
a 3.120012195173171 2.0203e-08 au
q 2.660135852721516 9.8022e-08 au
i .3444239928984805 3.8432e-06 deg
node 52.43902403264287 0.0007284 deg
peri 226.6978559293006 0.00072863 deg
M 56.46727074674215 1.6494e-05 deg
tp 2458884.761776740258
(2020-Feb-05.26177674)
9.3098e-05 TDB
period 2012.94942840964
5.51
1.9551e-05
5.353e-08
d
yr
n .1788420488459182 1.7371e-09 deg/d
Q 3.579888537624826 2.3181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      10826 days (29.64 yr)  
   first obs. used      1991-04-07  
   last obs. used      2020-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55188  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:51:55  

Additional Information
 Earth MOID = 1.64181 au 
 Jupiter MOID = 1.55136 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 14.96   n/a E2021B10  

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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