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58132 (1981 EW39)
Classification: Main-belt Asteroid          SPK-ID: 2058132
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039289229399231 4.5606e-08  
a 3.129600455312917 2.8275e-08 au
q 2.804344450759953 1.5356e-07 au
i 10.30136678246823 6.1272e-06 deg
node 358.1656047015852 2.5912e-05 deg
peri 276.7675922085522 4.0022e-05 deg
M 334.4928885376229 3.1598e-05 deg
tp 2459343.781642215478
(2021-May-09.28164222)
0.00017782 TDB
period 2022.235691942397
5.54
2.7406e-05
7.503e-08
d
yr
n .1780207922520707 2.4126e-09 deg/d
Q 3.454856459865882 3.1214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      15182 days (41.57 yr)  
   first obs. used      1978-10-26  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:13  

Additional Information
 Earth MOID = 1.81122 au 
 Jupiter MOID = 1.77703 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457498.5 (2016-Apr-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028229155061297 4.5602e-08  
q 2.809721855395765 1.5352e-07 au
tp 2457317.392242662352
(2015-Oct-21.89224266)
0.0001768 TDB
node 358.1955638145311 2.5908e-05 deg
peri 276.2951088755511 4.0248e-05 deg
i 10.29990586925521 6.1261e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      15182 days (41.57 yr)  
   first obs. used      1978-10-26  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:13  

Additional Information
 Jupiter MOID = 1.77703 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.079539541315114E-15 -6.915159238148653E-15 -2.99935094623123E-13 5.527920377486545E-15 -8.586903650741781E-16 -2.793712409393966E-16
q -6.915159238148653E-15 2.35675562668536E-14 1.040234862265845E-12 -1.97515467772156E-14 1.806991445044075E-14 6.074050750677033E-15
tp -2.99935094623123E-13 1.040234862265845E-12 3.125875268764239E-8 -3.495139097237872E-11 5.466820005940374E-9 9.528031892803905E-12
node 5.527920377486545E-15 -1.97515467772156E-14 -3.495139097237872E-11 6.712319268290744E-10 -6.657510327378537E-10 2.376062429669548E-12
peri -8.586903650741781E-16 1.806991445044075E-14 5.466820005940374E-9 -6.657510327378537E-10 1.61993924507532E-9 -3.72343961716141E-13
i -2.793712409393966E-16 6.074050750677033E-15 9.528031892803905E-12 2.376062429669548E-12 -3.72343961716141E-13 3.752938404194094E-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 14.85   n/a E2021B10  

58132 (1981 EW39)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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