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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505835227134623 3.7763e-08  
a 2.786733482795384 1.2929e-08 au
q 2.367097338092499 1.0663e-07 au
i 4.590835123324887 4.3575e-06 deg
node 35.76271904884479 5.2333e-05 deg
peri 102.8084753807334 5.45e-05 deg
M 346.5983329328798 1.408e-05 deg
tp 2459263.755443404418
(2021-Feb-18.25544340)		 6.6513e-05 TDB
period 1699.188579416315
4.65		 1.1825e-05
3.238e-08		 d
yr
n .2118658307623883 1.4744e-09 deg/d
Q 3.206369627498268 1.4876e-08 au
   Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      8919 days (24.42 yr)  
   first obs. used      1996-10-05  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54357  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:31:56  

Additional Information
 Earth MOID = 1.38545 au 
 Jupiter MOID = 1.82953 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457427.5 (2016-Feb-09.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497637622818018 3.8089e-08  
q 2.368678045201028 1.0756e-07 au
tp 2457568.241145707200
(2016-Jun-28.74114571)		 6.6048e-05 TDB
node 35.7820842361085 5.2328e-05 deg
peri 103.4848178807412 5.4489e-05 deg
i 4.592022404454215 4.3578e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      8919 days (24.42 yr)  
   first obs. used      1996-10-05  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54357  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:31:56  

Additional Information
 Jupiter MOID = 1.82953 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.450782742962883E-15 -4.075349938616593E-15 6.13077666381606E-13 1.271084810178176E-15 1.435392733896644E-13 -2.414807123363197E-15
q -4.075349938616593E-15 1.156843569735213E-14 -1.757909199820474E-12 -1.983127665163771E-15 -4.167993142161631E-13 7.008544650096292E-15
tp 6.13077666381606E-13 -1.757909199820474E-12 4.362329679993109E-9 -6.09803708034996E-12 1.022909709654189E-9 -9.004026414308864E-13
node 1.271084810178176E-15 -1.983127665163771E-15 -6.09803708034996E-12 2.738181182047225E-9 -2.730519948356583E-9 -4.677343361451758E-11
peri 1.435392733896644E-13 -4.167993142161631E-13 1.022909709654189E-9 -2.730519948356583E-9 2.969009150665512E-9 4.644609925930182E-11
i -2.414807123363197E-15 7.008544650096292E-15 -9.004026414308864E-13 -4.677343361451758E-11 4.644609925930182E-11 1.899046562783034E-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

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