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452974 (2007 EH15)
Classification: Main-belt Asteroid          SPK-ID: 2452974
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361697708286483 5.023e-08  
a 3.053051694178277 5.3675e-08 au
q 2.637318344654004 1.7337e-07 au
i 9.695535715894108 5.7694e-06 deg
node 157.8008796741194 3.9887e-05 deg
peri 163.2462940854867 5.4495e-05 deg
M 52.64876584217514 3.3819e-05 deg
tp 2458915.539044710347
(2020-Mar-07.03904471)
0.00018734 TDB
period 1948.496650648871
5.33
5.1384e-05
1.407e-07
d
yr
n .1847578233609568 4.8723e-09 deg/d
Q 3.468785043702549 6.0984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5036 days (13.79 yr)  
   first obs. used      2007-02-21  
   last obs. used      2020-12-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:21:09  

Additional Information
 Earth MOID = 1.62477 au 
 Jupiter MOID = 1.89371 au 
 T_jup = 3.200 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458012.5 (2017-Sep-16.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383920021285281 5.0322e-08  
q 2.629568230362713 1.7494e-07 au
tp 2458917.750784969876
(2020-Mar-09.25078497)
0.00018421 TDB
node 157.956517194012 3.9893e-05 deg
peri 163.7969394028175 5.4186e-05 deg
i 9.696452736712022 5.7773e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5036 days (13.79 yr)  
   first obs. used      2007-02-21  
   last obs. used      2020-12-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:21:09  

Additional Information
 Jupiter MOID = 1.89371 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.532267392878875E-15 -8.519581309590391E-15 3.955166375567673E-12 3.414433173823502E-14 6.909715316013934E-13 -6.01935408018079E-15
q -8.519581309590391E-15 3.060322089826415E-14 -1.717260809822766E-11 -1.342847855615542E-13 -3.249426513922345E-12 2.865018500331131E-14
tp 3.955166375567673E-12 -1.717260809822766E-11 3.39324852443973E-8 2.023465992719004E-10 6.790049449875764E-9 -3.584442457594826E-11
node 3.414433173823502E-14 -1.342847855615542E-13 2.023465992719004E-10 1.591488727145834E-9 -1.52770128774918E-9 1.091096348211337E-10
peri 6.909715316013934E-13 -3.249426513922345E-12 6.790049449875764E-9 -1.52770128774918E-9 2.936116308488747E-9 -1.154055796235729E-10
i -6.01935408018079E-15 2.865018500331131E-14 -3.584442457594826E-11 1.091096348211337E-10 -1.154055796235729E-10 3.337727038153025E-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 16.43   n/a MPCxxxxx  

452974 (2007 EH15)          Discovered 2007-Feb-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-01-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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