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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505835220963647 3.7957e-08  
a 2.786733487252131 1.383e-08 au
q 2.36709734359782 1.0683e-07 au
i 4.590835520096207 4.6977e-06 deg
node 35.76271933682285 5.2338e-05 deg
peri 102.8084752561734 5.4737e-05 deg
M 346.598332364868 1.5484e-05 deg
tp 2459263.755446237160
(2021-Feb-18.25544624)
7.3206e-05 TDB
period 1699.188583492514
4.65
1.2649e-05
3.463e-08
d
yr
n .2118658302541414 1.5772e-09 deg/d
Q 3.206369630906442 1.5913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      8876 days (24.30 yr)  
   first obs. used      1996-10-05  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56221  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:44:18  

Additional Information
 Earth MOID = 1.38545 au 
 Jupiter MOID = 1.82953 au 
 T_jup = 3.310 
[ show covariance matrix ]

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

[ 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
1902-Apr-28 19:33 00:03 Jupiter 1.93037071656313 1.93036974981682 1.93037168330998 2.07170979623036 1.84781127436837 2415868.314464852 2.5005782916317 98.8076179338752 16.4931619054884 -84.5559898983836 2517426.32796034 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 05:44:19 2021-Feb-24 05:44
1986-Sep-01 16:30 < 00:01 Jupiter 1.85196308299792 1.85196265672463 1.851963509271 2.27177670253168 2.06064068001824 2446675.187539555 0.699703463021173 70.3464705977037 14.4270752667346 -87.0428083600264 2108721.7306161 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 05:44:19 2021-Feb-24 05:44
2009-Jul-17 06:07 < 00:01 Jupiter 1.86407470520735 1.86407436595607 1.86407504445852 1.98568967610174 1.74188905219529 2455029.755160829 0.249585663534454 54.053341430772 18.288226779938 80.8855915463325 2650971.00228642 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 05:44:19 2021-Feb-24 05:44
2093-Nov-18 20:14 00:02 Jupiter 1.89831690354091 1.89831626986268 1.89831753721925 2.59402752601994 2.41590265527219 2485835.342832328 1.63301498636571 94.5365771441434 14.1517871166358 89.5688802772404 1979891.00763036 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 05:44:19 2021-Feb-24 05:44
2116-Oct-03 15:52 00:02 Jupiter 1.83517668678281 1.83517629099946 1.83517708256679 2.06786152192899 1.83110754812347 2494189.160768309 2.13708685231432 134.854872928581 24.8292808570004 -81.6050129793749 2217573.21669137 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 05:44:19 2021-Feb-24 05:44
2139-Aug-16 19:25 00:03 Jupiter 1.93962465220993 1.93962348108612 1.9396258233343 2.14060327406267 1.92582302065277 2502541.309160652 2.71636975765254 101.008886035598 18.386748175482 -79.5734285531309 2441767.02988768 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 05:44:19 2021-Feb-24 05:44

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