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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505503766645812 3.9691e-08  
a 2.786319609063285 1.8999e-08 au
q 2.366838142410899 1.0894e-07 au
i 4.591146974019061 5.6496e-06 deg
node 35.76842348107532 5.2867e-05 deg
peri 102.8672457279968 5.6935e-05 deg
M 304.1669750662522 2.306e-05 deg
tp 2459263.971401083344
(2021-Feb-18.47140108)		 0.00011053 TDB
period 1698.810059146062
4.65		 1.7376e-05
4.757e-08		 d
yr
n .2119130376358618 2.1675e-09 deg/d
Q 3.205801075715672 2.1859e-08 au
   Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      8472 days (23.20 yr)  
   first obs. used      1996-10-05  
   last obs. used      2019-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:49:49  

Additional Information
 Earth MOID = 1.38529 au 
 Jupiter MOID = 1.83062 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457043.5 (2015-Jan-21.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1496611272344045 4.0139e-08  
q 2.36944960243269 1.1006e-07 au
tp 2457567.949833366649
(2016-Jun-28.44983337)		 0.00010037 TDB
node 35.78251629049802 5.2869e-05 deg
peri 103.3853950871552 5.6925e-05 deg
i 4.591645099677671 5.6489e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      8472 days (23.20 yr)  
   first obs. used      1996-10-05  
   last obs. used      2019-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:49:49  

Additional Information
 Jupiter MOID = 1.83062 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.611143608709363E-15 -4.371481589379626E-15 1.567024150317565E-12 -3.771716191818854E-15 3.3068023217357E-13 -4.819500243224915E-16
q -4.371481589379626E-15 1.211289202631119E-14 -3.523856146970531E-12 9.130494892904152E-15 -7.649629918184482E-13 2.032757218428525E-15
tp 1.567024150317565E-12 -3.523856146970531E-12 1.007381884588549E-8 -2.22223820525445E-11 2.130526124790569E-9 1.470997860197665E-12
node -3.771716191818854E-15 9.130494892904152E-15 -2.22223820525445E-11 2.795180086201196E-9 -2.790430460960083E-9 -6.963867049824127E-11
peri 3.3068023217357E-13 -7.649629918184482E-13 2.130526124790569E-9 -2.790430460960083E-9 3.240409579630722E-9 6.971645048089931E-11
i -4.819500243224915E-16 2.032757218428525E-15 1.470997860197665E-12 -6.963867049824127E-11 6.971645048089931E-11 3.191053936140161E-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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