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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08664092598086545 3.8703e-08  
a 2.797115873979743 1.7035e-08 au
q 2.55477116458236 1.0937e-07 au
i 3.366826762606224 4.9127e-06 deg
node 186.2520316343881 6.4041e-05 deg
peri 135.6301793150086 6.8884e-05 deg
M 205.1668240219775 2.6243e-05 deg
tp 2459935.395579826479
(2022-Dec-21.89557983)
0.00012622 TDB
period 1708.693289189426
4.68
1.5609e-05
4.274e-08
d
yr
n .2106873142638593 1.9247e-09 deg/d
Q 3.039460583377125 1.8511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      10230 days (28.01 yr)  
   first obs. used      1993-03-19  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62175  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:41:58  

Additional Information
 Earth MOID = 1.54167 au 
 Jupiter MOID = 2.2086 au 
 T_jup = 3.319 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457081.5 (2015-Feb-28.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08780939632830384 3.8706e-08  
q 2.550437626206137 1.0936e-07 au
tp 2456508.785962529897
(2013-Aug-04.28596253)
0.00011914 TDB
node 186.3418926624996 6.4229e-05 deg
peri 133.7689296636493 6.8895e-05 deg
i 3.359995425695502 4.9099e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      10230 days (28.01 yr)  
   first obs. used      1993-03-19  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62175  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:41:58  

Additional Information
 Jupiter MOID = 2.2086 au 
 T_jup = 3.319 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.498121888564804E-15 -4.1905730693498E-15 1.153777676336678E-12 1.300292342388632E-15 2.501165975392521E-13 2.199002486501665E-17
q -4.1905730693498E-15 1.196008760857367E-14 -3.13532572477008E-12 -2.187193051888783E-15 -6.668573586377662E-13 1.318878107543186E-16
tp 1.153777676336678E-12 -3.13532572477008E-12 1.419341062723497E-8 1.086393801289531E-11 2.979955169441804E-9 -5.079597071671004E-13
node 1.300292342388632E-15 -2.187193051888783E-15 1.086393801289531E-11 4.12532870746219E-9 -4.115723651407171E-9 -2.516905253347685E-12
peri 2.501165975392521E-13 -6.668573586377662E-13 2.979955169441804E-9 -4.115723651407171E-9 4.746580325885486E-9 2.425929836111614E-12
i 2.199002486501665E-17 1.318878107543186E-16 -5.079597071671004E-13 -2.516905253347685E-12 2.425929836111614E-12 2.410684586045442E-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 15.65   n/a E2021B10  

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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