Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
46715 (1997 HE13)
Classification: Main-belt Asteroid          SPK-ID: 2046715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478540639349958 3.2744e-08  
a 3.122615648732543 2.2028e-08 au
q 2.660924234960423 1.0493e-07 au
i .3444522797913139 4.6346e-06 deg
node 52.43698610878121 0.00073447 deg
peri 226.9408131906455 0.00073471 deg
M 20.49167659259066 1.7895e-05 deg
tp 2458885.776809374991
(2020-Feb-06.27680937)
0.00010031 TDB
period 2015.469473099948
5.52
2.1327e-05
5.839e-08
d
yr
n .1786184334741087 1.8901e-09 deg/d
Q 3.584307062504663 2.5285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      10706 days (29.31 yr)  
   first obs. used      1991-04-07  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:23:37  

Additional Information
 Earth MOID = 1.64448 au 
 Jupiter MOID = 1.54892 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456970.5 (2014-Nov-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463925184386509 3.2742e-08  
q 2.665054441274351 1.0464e-07 au
tp 2456876.186857018016
(2014-Aug-06.68685702)
0.00010662 TDB
node 52.48915032150354 0.00073121 deg
peri 227.7310417565332 0.00073146 deg
i .3457096165453675 4.6385e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      10706 days (29.31 yr)  
   first obs. used      1991-04-07  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:23:37  

Additional Information
 Jupiter MOID = 1.54892 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.07204718440676E-15 -3.371444921966533E-15 3.468625351313654E-14 2.825890753675952E-15 -1.167756125314731E-14 1.332373345455518E-17
q -3.371444921966533E-15 1.095026895588284E-14 -7.846047382414851E-13 -1.814015409417285E-14 -6.922165799771234E-14 -3.982672444245286E-17
tp 3.468625351313654E-14 -7.846047382414851E-13 1.136743839811575E-8 4.854098346965569E-12 2.063493796342461E-9 -1.768771350602511E-13
node 2.825890753675952E-15 -1.814015409417285E-14 4.854098346965569E-12 5.346662092950138E-7 -5.346560655686815E-7 -9.510067860779529E-10
peri -1.167756125314731E-14 -6.922165799771234E-14 2.063493796342461E-9 -5.346560655686815E-7 5.350324142473109E-7 9.509563962560669E-10
i 1.332373345455518E-17 -3.982672444245286E-17 -1.768771350602511E-13 -9.510067860779529E-10 9.509563962560669E-10 2.151602065585271E-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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-29 18:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin