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JPL Small-Body Database Browser
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58536 (1997 EQ8)
Classification: Main-belt Asteroid          SPK-ID: 2058536
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08651642534903742 3.9472e-08  
a 2.797447100217343 1.8546e-08 au
q 2.555421977003508 1.1037e-07 au
i 3.366382779825061 4.9341e-06 deg
node 186.2592439060708 6.886e-05 deg
peri 135.5437476553981 7.3767e-05 deg
M 163.1262348670342 2.6611e-05 deg
tp 2458226.104960182203
(2018-Apr-17.60496018)
0.00012565 TDB
period 1708.996805827371
4.68
1.6995e-05
4.653e-08
d
yr
n .2106498963441387 2.0948e-09 deg/d
Q 3.039472223431178 2.0151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      9816 days (26.87 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:31:24  

Additional Information
 Earth MOID = 1.54428 au 
 Jupiter MOID = 2.2089 au 
 T_jup = 3.318 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456857.5 (2014-Jul-19.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08799252531650782 3.9603e-08  
q 2.549584183726027 1.108e-07 au
tp 2456508.624026787913
(2013-Aug-04.12402679)
0.0001226 TDB
node 186.3470416517738 6.905e-05 deg
peri 133.6927140234409 7.372e-05 deg
i 3.360083828704364 4.9317e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      9816 days (26.87 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:31:24  

Additional Information
 Jupiter MOID = 2.2089 au 
 T_jup = 3.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.568412816352116E-15 -4.337746581963522E-15 8.963053363228327E-13 -8.03068035168401E-16 1.926122883588749E-13 1.273385980574034E-18
q -4.337746581963522E-15 1.227620931329682E-14 -2.623451916129312E-12 3.638619085791074E-15 -5.542528645614807E-13 2.823678547541513E-16
tp 8.963053363228327E-13 -2.623451916129312E-12 1.503009767303062E-8 5.100325258819001E-12 3.18021380167973E-9 -6.74606986297481E-13
node -8.03068035168401E-16 3.638619085791074E-15 5.100325258819001E-12 4.767945492140778E-9 -4.758458467691513E-9 8.548022259985572E-12
peri 1.926122883588749E-13 -5.542528645614807E-13 3.18021380167973E-9 -4.758458467691513E-9 5.434582386344855E-9 -8.65341011716285E-12
i 1.273385980574034E-18 2.823678547541513E-16 -6.74606986297481E-13 8.548022259985572E-12 -8.65341011716285E-12 2.432146391569637E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO452963  

58536 (1997 EQ8)          Discovered 1997-Mar-02 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 EQ8 = 1993 FB49 = 1998 HA157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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