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58114 (1981 EL6)
Classification: Main-belt Asteroid          SPK-ID: 2058114
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0868364998714483 4.898e-08  
a 3.096908321326522 2.7914e-08 au
q 2.827983642279765 1.573e-07 au
i 10.06327163790204 5.8061e-06 deg
node 236.7394697927299 3.0232e-05 deg
peri 14.56704189169529 4.5978e-05 deg
M 5.99087938814329 3.2507e-05 deg
tp 2458967.373235078871
(2020-Apr-27.87323508)
0.00017986 TDB
period 1990.63185868986
5.45
2.6914e-05
7.369e-08
d
yr
n .1808471005969607 2.4451e-09 deg/d
Q 3.36583300037328 3.0338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      16180 days (44.30 yr)  
   first obs. used      1976-05-02  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:18  

Additional Information
 Earth MOID = 1.81535 au 
 Jupiter MOID = 1.66311 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456825.5 (2014-Jun-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08484600581115662 4.9078e-08  
q 2.832983328594665 1.5723e-07 au
tp 2456975.606654368257
(2014-Nov-14.10665437)
0.00019254 TDB
node 236.7636112412046 3.0223e-05 deg
peri 14.22919082767679 4.6568e-05 deg
i 10.06473115382225 5.8074e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      16180 days (44.30 yr)  
   first obs. used      1976-05-02  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:18  

Additional Information
 Jupiter MOID = 1.66311 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.408666861053933E-15 -7.61344290294984E-15 -7.240784704457226E-13 1.215126769295845E-14 -1.410342536115641E-13 -4.383622570200065E-15
q -7.61344290294984E-15 2.472190371843474E-14 3.837858709009589E-13 -3.958947790795907E-14 9.063479035154049E-14 1.540517391693409E-14
tp -7.240784704457226E-13 3.837858709009589E-13 3.707302917619562E-8 3.126642041313691E-11 6.858961036998546E-9 -4.404780726304305E-12
node 1.215126769295845E-14 -3.958947790795907E-14 3.126642041313691E-11 9.13400535951418E-10 -8.92799803228915E-10 -1.761592032293428E-11
peri -1.410342536115641E-13 9.063479035154049E-14 6.858961036998546E-9 -8.92799803228915E-10 2.168560897425074E-9 1.646745339363449E-11
i -4.383622570200065E-15 1.540517391693409E-14 -4.404780726304305E-12 -1.761592032293428E-11 1.646745339363449E-11 3.372588275610695E-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 14.59   n/a E2021B10  
diameter diameter 4.786 km 0.258 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.93405 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.122   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58114 (1981 EL6)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1981 EL6 = 1976 JJ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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