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171015 (2005 EU38)
Classification: Main-belt Asteroid          SPK-ID: 2171015
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164895442841262 6.4296e-08  
a 2.581132326056459 2.1241e-08 au
q 2.155515368119483 1.5945e-07 au
i 5.395532601315636 5.1567e-06 deg
node 103.645240104351 7.2805e-05 deg
peri 128.6293741911575 7.545e-05 deg
M 192.2590251448898 2.4913e-05 deg
tp 2459706.249361140528
(2022-May-06.74936114)
0.00010993 TDB
period 1514.655379999123
4.15
1.8697e-05
5.119e-08
d
yr
n .2376778274145822 2.9339e-09 deg/d
Q 3.006749283993436 2.4743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      6799 days (18.61 yr)  
   first obs. used      2001-03-18  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62163  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:34:06  

Additional Information
 Earth MOID = 1.14933 au 
 Jupiter MOID = 2.00122 au 
 T_jup = 3.399 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457362.5 (2015-Dec-06.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650521875012625 6.4201e-08  
q 2.154909159075024 1.5917e-07 au
tp 2456678.284281393236
(2014-Jan-20.78428139)
9.1944e-05 TDB
node 103.6774261010303 7.2855e-05 deg
peri 128.7940140061078 7.5501e-05 deg
i 5.394052934127974 5.1546e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      6799 days (18.61 yr)  
   first obs. used      2001-03-18  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62163  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:34:06  

Additional Information
 Jupiter MOID = 2.00122 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.121785396234632E-15 -1.016607746319543E-14 4.341447820822186E-13 8.959288624810276E-15 2.817637872863892E-14 5.869744966221857E-15
q -1.016607746319543E-14 2.533548602394803E-14 -6.02039677908316E-13 -2.290643118616165E-14 4.550952170359798E-14 -1.451044075457611E-14
tp 4.341447820822186E-13 -6.02039677908316E-13 8.453738883027655E-9 -7.87091161911766E-11 1.892192763540949E-9 -1.004873139977851E-12
node 8.959288624810276E-15 -2.290643118616165E-14 -7.87091161911766E-11 5.3079087047891E-9 -5.300217827840981E-9 -4.367570811648726E-11
peri 2.817637872863892E-14 4.550952170359798E-14 1.892192763540949E-9 -5.300217827840981E-9 5.700340908050967E-9 4.320633007739385E-11
i 5.869744966221857E-15 -1.451044075457611E-14 -1.004873139977851E-12 -4.367570811648726E-11 4.320633007739385E-11 2.657032348404217E-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 16.2   n/a MPO454169  

171015 (2005 EU38)          Discovered 2005-Mar-08 by Lowe, A. at Mayhill
Reference: 20071124/Numbers.arcLast Updated: 2007-11-26

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Alternate Designations
 2005 EU38 = 2001 GJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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