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183497 (2003 EH46)
Classification: Main-belt Asteroid          SPK-ID: 2183497
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342763203873664 5.1882e-08  
a 2.895421976561706 2.5497e-08 au
q 2.506635367580285 1.4255e-07 au
i 8.626631899446311 7.251e-06 deg
node 146.4573035440152 3.0361e-05 deg
peri 94.42663186742929 4.3915e-05 deg
M 120.0928156544519 2.8417e-05 deg
tp 2458400.182846636975
(2018-Oct-08.68284664)
0.00014186 TDB
period 1799.559565932099
4.93
2.377e-05
6.508e-08
d
yr
n .2000489490957942 2.6424e-09 deg/d
Q 3.284208585543127 2.892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      9739 days (26.66 yr)  
   first obs. used      1993-02-26  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54271  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:41:39  

Additional Information
 Earth MOID = 1.51286 au 
 Jupiter MOID = 1.79919 au 
 T_jup = 3.259 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457373.5 (2015-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339333952007449 5.1566e-08  
q 2.50866482858939 1.4144e-07 au
tp 2456602.592598656528
(2013-Nov-06.09259866)
0.00014561 TDB
node 146.5351131085558 3.0362e-05 deg
peri 94.99507597569449 4.4081e-05 deg
i 8.625288123211035 7.2507e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      9739 days (26.66 yr)  
   first obs. used      1993-02-26  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54271  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:41:39  

Additional Information
 Jupiter MOID = 1.79919 au 
 T_jup = 3.259 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.659029038020802E-15 -7.218381017566826E-15 -1.981968063256842E-12 4.645009478186132E-15 -5.318099210134813E-13 1.682667325784722E-15
q -7.218381017566826E-15 2.000567081603547E-14 5.091433983834892E-12 -1.463495071173694E-14 1.422587411669926E-12 -3.251389550467564E-15
tp -1.981968063256842E-12 5.091433983834892E-12 2.120195400733047E-8 -6.792273287162717E-11 4.650983041408259E-9 -4.979248047751517E-12
node 4.645009478186132E-15 -1.463495071173694E-14 -6.792273287162717E-11 9.21878682808618E-10 -9.257512812505715E-10 2.994034254996497E-11
peri -5.318099210134813E-13 1.422587411669926E-12 4.650983041408259E-9 -9.257512812505715E-10 1.943138828782087E-9 -3.051157375637687E-11
i 1.682667325784722E-15 -3.251389550467564E-15 -4.979248047751517E-12 2.994034254996497E-11 -3.051157375637687E-11 5.257314641647536E-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 15.9   n/a MPO440025  

183497 (2003 EH46)          Discovered 2003-Mar-07 by LONEOS at Anderson Mesa
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2003 EH46 = 2004 NP18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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