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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 ]

[ 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1645635047755066 5.3721e-08  
a 2.581671985745862 1.8853e-08 au
q 2.156822995590781 1.3615e-07 au
i 5.395083411548142 5.0882e-06 deg
node 103.6451302821452 6.2582e-05 deg
peri 128.6111652933924 6.5607e-05 deg
M 286.3552176223951 2.5169e-05 deg
tp 2459706.448474011351
(2022-May-06.94847401)
0.00010795 TDB
period 1515.1304280046
4.15
1.6597e-05
4.544e-08
d
yr
n .2376033068480538 2.6027e-09 deg/d
Q 3.006520975900942 2.1956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      7246 days (19.84 yr)  
   first obs. used      2001-03-18  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:46:46  

Additional Information
 Earth MOID = 1.15104 au 
 Jupiter MOID = 1.9991 au 
 T_jup = 3.399 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457641.5 (2016-Sep-10.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1652977714558551 5.3689e-08  
q 2.153816732049563 1.3605e-07 au
tp 2458192.548652239883
(2018-Mar-15.04865224)
9.8414e-05 TDB
node 103.6729884370574 6.262e-05 deg
peri 128.8108584340566 6.5622e-05 deg
i 5.394507081792858 5.0876e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      7246 days (19.84 yr)  
   first obs. used      2001-03-18  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:46:46  

Additional Information
 Jupiter MOID = 1.9991 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.882543050885552E-15 -7.258077318720675E-15 4.859839102880184E-13 5.646769604580608E-15 4.727462741990622E-14 4.039668736617097E-15
q -7.258077318720675E-15 1.85087279067484E-14 -5.028595537570808E-13 -1.412624474710723E-14 2.09407022130064E-15 -1.017557984205503E-14
tp 4.859839102880184E-13 -5.028595537570808E-13 9.685279919824355E-9 -4.301260083284147E-11 1.973135271604991E-9 -8.28467353157495E-13
node 5.646769604580608E-15 -1.412624474710723E-14 -4.301260083284147E-11 3.921220293216135E-9 -3.912067910906142E-9 -4.641023434638499E-11
peri 4.727462741990622E-14 2.09407022130064E-15 1.973135271604991E-9 -3.912067910906142E-9 4.306226316343539E-9 4.597574463188553E-11
i 4.039668736617097E-15 -1.017557984205503E-14 -8.28467353157495E-13 -4.641023434638499E-11 4.597574463188553E-11 2.58837188784963E-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 16.27   n/a MPCxxxxx  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2027-May-15 01:10 00:01 Amphi 0.0461323069739502 0.0461266582057002 0.04613795634346 5.14335470999142 5.14335468576321 2461540.548590954 1.05540451648406 389.545170088756 62.1232882654209 -44.4207577357889 78751.5849876239 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 20:46:47 2021-Apr-13 20:46

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