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58126 (1981 EJ32)
Classification: Main-belt Asteroid          SPK-ID: 2058126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1208423716664454 3.5158e-08  
a 2.603937009601797 1.3531e-08 au
q 2.289271085691484 9.0484e-08 au
i 4.926056340216544 3.9506e-06 deg
node 270.9875654840475 5.9597e-05 deg
peri 357.3221051978614 6.397e-05 deg
M 46.85381203183567 2.272e-05 deg
tp 2458800.750101003788
(2019-Nov-13.25010100)
9.6926e-05 TDB
period 1534.772956996028
4.20
1.1962e-05
3.275e-08
d
yr
n .2345623815946163 1.8283e-09 deg/d
Q 2.91860293351211 1.5166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      14471 days (39.62 yr)  
   first obs. used      1981-03-06  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53811  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:16  

Additional Information
 Earth MOID = 1.27322 au 
 Jupiter MOID = 2.16588 au 
 T_jup = 3.398 
[ 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 15.7   n/a MPO390108  
diameter diameter 2.902 km 0.725 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58126 (1981 EJ32)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EJ32 = 2000 YS130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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