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58742 (1998 EG13)
Classification: Main-belt Asteroid          SPK-ID: 2058742
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505503569505298 4.0042e-08  
a 2.786319606517918 1.9123e-08 au
q 2.366838195178386 1.097e-07 au
i 4.591146369954971 5.6504e-06 deg
node 35.76839906504682 5.3488e-05 deg
peri 102.8672822367544 5.7499e-05 deg
M 304.1669606102186 2.3078e-05 deg
tp 2459263.971468939133
(2021-Feb-18.47146894)		 0.00011062 TDB
period 1698.810056818209
4.65		 1.7489e-05
4.788e-08		 d
yr
n .2119130379262429 2.1816e-09 deg/d
Q 3.20580101785745 2.2002e-08 au
   Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      8443 days (23.12 yr)  
   first obs. used      1996-10-05  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57244  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:03:40  

Additional Information
 Earth MOID = 1.38529 au 
 Jupiter MOID = 1.83062 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457001.5 (2014-Dec-10.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1496402439212055 4.0483e-08  
q 2.369591643322304 1.108e-07 au
tp 2457567.920836433858
(2016-Jun-28.42083643)		 0.00010042 TDB
node 35.7831082843552 5.3492e-05 deg
peri 103.3726210669881 5.7492e-05 deg
i 4.591544473340051 5.6497e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      8443 days (23.12 yr)  
   first obs. used      1996-10-05  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57244  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:03:40  

Additional Information
 Jupiter MOID = 1.83062 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.638833768036877E-15 -4.438879847439358E-15 1.579417886289401E-12 -2.965115363753026E-15 3.292961166056801E-13 -4.901519608574963E-16
q -4.438879847439358E-15 1.227710049550483E-14 -3.553919467684681E-12 7.289256819880266E-15 -7.617184326728168E-13 2.046237468403343E-15
tp 1.579417886289401E-12 -3.553919467684681E-12 1.008417670315036E-8 -1.967506572352304E-11 2.128632064603393E-9 1.441861212116111E-12
node -2.965115363753026E-15 7.289256819880266E-15 -1.967506572352304E-11 2.861373154284132E-9 -2.85590849989068E-9 -7.044117297228459E-11
peri 3.292961166056801E-13 -7.617184326728168E-13 2.128632064603393E-9 -2.85590849989068E-9 3.305348138420635E-9 7.051083481421933E-11
i -4.901519608574963E-16 2.046237468403343E-15 1.441861212116111E-12 -7.044117297228459E-11 7.051083481421933E-11 3.191884145814282E-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 15.9   n/a MPO502542  

58742 (1998 EG13)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 EG13 = 2001 YA56 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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