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423361 (2005 JE23)
Classification: Main-belt Asteroid          SPK-ID: 2423361
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05121851009996779 5.2006e-08  
a 3.108567736507222 4.8651e-08 au
q 2.949351528498493 1.7289e-07 au
i 10.26824467616081 9.4405e-06 deg
node 17.22721627336644 3.2689e-05 deg
peri 85.34885851287207 0.000105 deg
M 1.058489976191816 9.9447e-05 deg
tp 2458994.613960414489
(2020-May-25.11396041)
0.00055297 TDB
period 2001.884097577787
5.48
4.6996e-05
1.287e-07
d
yr
n .1798305908097217 4.2217e-09 deg/d
Q 3.267783944515951 5.1143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      10312 days (28.23 yr)  
   first obs. used      1991-10-10  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5672  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:04:55  

Additional Information
 Earth MOID = 1.98949 au 
 Jupiter MOID = 1.82439 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457254.5 (2015-Aug-20.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05060219190957304 5.1785e-08  
q 2.95385381853047 1.7188e-07 au
tp 2457009.460316976813
(2014-Dec-17.96031698)
0.00054887 TDB
node 17.25902182145257 3.2715e-05 deg
peri 88.32136365304881 0.00010591 deg
i 10.26296045766509 9.4341e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      10312 days (28.23 yr)  
   first obs. used      1991-10-10  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5672  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:04:55  

Additional Information
 Jupiter MOID = 1.82439 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.681671955846499E-15 -8.57649330546401E-15 -1.480981084956838E-12 9.386415712474029E-15 -3.305017214976319E-13 -9.619840392239028E-15
q -8.57649330546401E-15 2.954274140943074E-14 8.391211130580811E-12 -3.542274700024637E-14 1.789224688463294E-12 3.367042850837462E-14
tp -1.480981084956838E-12 8.391211130580811E-12 3.01256495359067E-7 3.031917513125744E-11 5.530933242850973E-8 8.117449937859313E-11
node 9.386415712474029E-15 -3.542274700024637E-14 3.031917513125744E-11 1.070258083917264E-9 -1.047439774281813E-9 -2.651215137459687E-11
peri -3.305017214976319E-13 1.789224688463294E-12 5.530933242850973E-8 -1.047439774281813E-9 1.121770063811642E-8 4.110909669067823E-11
i -9.619840392239028E-15 3.367042850837462E-14 8.117449937859313E-11 -2.651215137459687E-11 4.110909669067823E-11 8.900234213581911E-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 16.0   n/a MPO456022  

423361 (2005 JE23)          Discovered 2005-May-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

[ show close-approach data ]
Alternate Designations
 2005 JE23 = 2008 UT158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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