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39143 (2000 WH80)
Classification: Main-belt Asteroid          SPK-ID: 2039143
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394908349772962 5.9163e-08  
a 2.681064305552706 1.3707e-08 au
q 2.307080406943335 1.6306e-07 au
i 2.233038643921593 5.4342e-06 deg
node 316.0591109994371 0.00011226 deg
peri 220.412930690013 0.00011348 deg
M 63.06601499077883 1.7397e-05 deg
tp 2458719.599726631458
(2019-Aug-24.09972663)
7.6842e-05 TDB
period 1603.464218049309
4.39
1.2296e-05
3.366e-08
d
yr
n .2245138968164548 1.7217e-09 deg/d
Q 3.055048204162079 1.5619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      12904 days (35.33 yr)  
   first obs. used      1984-01-25  
   last obs. used      2019-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:06:46  

Additional Information
 Earth MOID = 1.31196 au 
 Jupiter MOID = 1.91585 au 
 T_jup = 3.361 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456627.5 (2013-Dec-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408076927694693 5.8812e-08  
q 2.30235622001481 1.6269e-07 au
tp 2457115.838862176797
(2015-Apr-03.33886218)
7.3509e-05 TDB
node 316.1127820114162 0.00011228 deg
peri 220.3104734600982 0.00011349 deg
i 2.233806052188198 5.4334e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      12904 days (35.33 yr)  
   first obs. used      1984-01-25  
   last obs. used      2019-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:06:46  

Additional Information
 Jupiter MOID = 1.91585 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.458834042784483E-15 -9.545334670729057E-15 -9.899567213482655E-13 -1.613653359430909E-14 -3.71650904851685E-14 -5.161525623622387E-16
q -9.545334670729057E-15 2.646796266717635E-14 2.783059346238231E-12 4.569946476712591E-14 1.035148543745998E-13 1.454899297206577E-15
tp -9.899567213482655E-13 2.783059346238231E-12 5.40353057587444E-9 1.89145066489025E-11 1.208041231182683E-9 1.596087236599745E-12
node -1.613653359430909E-14 4.569946476712591E-14 1.89145066489025E-11 1.260698290080094E-8 -1.259320060468782E-8 2.958236475485357E-11
peri -3.71650904851685E-14 1.035148543745998E-13 1.208041231182683E-9 -1.259320060468782E-8 1.288006318372843E-8 -2.920263826074624E-11
i -5.161525623622387E-16 1.454899297206577E-15 1.596087236599745E-12 2.958236475485357E-11 -2.920263826074624E-11 2.952142948361695E-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 15.2   n/a MPO319557  

39143 (2000 WH80)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WH80 = 1984 BU4 = 1995 QB7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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