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58120 (1981 EU11)
Classification: Main-belt Asteroid          SPK-ID: 2058120
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1895544084734519 4.3016e-08  
a 2.663906765863095 2.0136e-08 au
q 2.15895149463149 1.14e-07 au
i 11.17398810621794 7.321e-06 deg
node 344.898568162259 2.5294e-05 deg
peri 308.3577140073763 3.2272e-05 deg
M 181.9287959154681 2.0654e-05 deg
tp 2459386.039725739148
(2021-Jun-20.53972574)
9.3131e-05 TDB
period 1588.096754441265
4.35
1.8006e-05
4.93e-08
d
yr
n .2266864402267844 2.5702e-09 deg/d
Q 3.1688620370947 2.3953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      14145 days (38.73 yr)  
   first obs. used      1981-02-09  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5433  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 05:03:47  

Additional Information
 Earth MOID = 1.16283 au 
 Jupiter MOID = 2.15026 au 
 T_jup = 3.332 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO502539  
diameter diameter 5.330 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 44.111 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.057   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58120 (1981 EU11)          Discovered 1981-Mar-07 by Bus, S. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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