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183982 (2004 EH43)
Classification: Main-belt Asteroid          SPK-ID: 2183982
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05420442759371107 4.4946e-08  
a 2.480941185598461 1.6849e-08 au
q 2.346463188739434 1.0739e-07 au
i 5.88570026547689 4.6382e-06 deg
node 95.44044503021028 6.34e-05 deg
peri 49.08867635192267 9.2817e-05 deg
M 79.90546945863227 6.8373e-05 deg
tp 2458683.691272789259
(2019-Jul-19.19127279)
0.00026992 TDB
period 1427.325846009979
3.91
1.454e-05
3.981e-08
d
yr
n .2522199125072686 2.5693e-09 deg/d
Q 2.615419182457488 1.7762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      10313 days (28.24 yr)  
   first obs. used      1992-01-31  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:40:51  

Additional Information
 Earth MOID = 1.36407 au 
 Jupiter MOID = 2.38721 au 
 T_jup = 3.469 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457155.5 (2015-May-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05504600125873922 4.5193e-08  
q 2.344914281317 1.0832e-07 au
tp 2457259.019324915245
(2015-Aug-24.51932492)
0.00025988 TDB
node 95.48700176948219 6.3367e-05 deg
peri 49.82731868182751 9.1806e-05 deg
i 5.886816407584377 4.6383e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      10313 days (28.24 yr)  
   first obs. used      1992-01-31  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:40:51  

Additional Information
 Jupiter MOID = 2.38721 au 
 T_jup = 3.469 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.042378152857395E-15 -4.847618096707327E-15 4.310578373096608E-12 -3.307842390051257E-14 1.056719638242175E-12 -3.338894637300403E-15
q -4.847618096707327E-15 1.173302390775827E-14 -9.525156868404592E-12 7.679742832818063E-14 -2.331725457448232E-12 7.791416210070207E-15
tp 4.310578373096608E-12 -9.525156868404592E-12 6.753506738376166E-8 -9.532830331235514E-11 1.732100834324874E-8 -4.320213153859776E-11
node -3.307842390051257E-14 7.679742832818063E-14 -9.532830331235514E-11 4.015351138593059E-9 -4.016880393548849E-9 -1.084649578554165E-10
peri 1.056719638242175E-12 -2.331725457448232E-12 1.732100834324874E-8 -4.016880393548849E-9 8.428406217586712E-9 9.693820045355294E-11
i -3.338894637300403E-15 7.791416210070207E-15 -4.320213153859776E-11 -1.084649578554165E-10 9.693820045355294E-11 2.151393157665103E-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 16.5   n/a MPO417994  

183982 (2004 EH43)          Discovered 2004-Mar-15 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2004 EH43 = 2000 EA90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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