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160081 (2000 JK40)
Classification: Main-belt Asteroid          SPK-ID: 2160081
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 .1875401010599913 3.653e-08  
a 2.261778891517313 1.1875e-08 au
q 1.837604649626801 8.768e-08 au
i 3.228746943334452 4.0603e-06 deg
node 235.3241824349254 8.8397e-05 deg
peri 37.64216211331654 8.9616e-05 deg
M 296.8121620862677 1.4809e-05 deg
tp 2459218.574377515301
(2021-Jan-04.07437752)
5.1707e-05 TDB
period 1242.434913071252
3.40
9.7846e-06
2.679e-08
d
yr
n .289753608991954 2.2819e-09 deg/d
Q 2.685953133407825 1.4102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      9898 days (27.10 yr)  
   first obs. used      1993-04-16  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:30:53  

Additional Information
 Earth MOID = .822662 au 
 Jupiter MOID = 2.42036 au 
 T_jup = 3.594 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457479.5 (2016-Apr-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879011860315364 3.6478e-08  
q 1.836727707594838 8.7593e-08 au
tp 2457975.238102967298
(2017-Aug-09.73810297)
4.891e-05 TDB
node 235.3785083827215 8.8462e-05 deg
peri 37.49649477534642 8.9677e-05 deg
i 3.227420460015398 4.0591e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      9898 days (27.10 yr)  
   first obs. used      1993-04-16  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:30:53  

Additional Information
 Jupiter MOID = 2.42036 au 
 T_jup = 3.594 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.330629674867522E-15 -3.180305540884141E-15 1.123384857205306E-14 -4.486451292804258E-15 4.32018196075406E-14 -5.075989262687758E-16
q -3.180305540884141E-15 7.672479889106123E-15 6.34002671842721E-14 1.07101082222862E-14 -8.504964129344061E-14 1.386505348097171E-15
tp 1.123384857205306E-14 6.34002671842721E-14 2.392209520498157E-9 3.885458095803142E-12 7.404693309620778E-10 -4.974798410490969E-13
node -4.486451292804258E-15 1.07101082222862E-14 3.885458095803142E-12 7.825519645104576E-9 -7.811845791863732E-9 -9.639119565693672E-11
peri 4.32018196075406E-14 -8.504964129344061E-14 7.404693309620778E-10 -7.811845791863732E-9 8.042049950869543E-9 9.607847815914326E-11
i -5.075989262687758E-16 1.386505348097171E-15 -4.974798410490969E-13 -9.639119565693672E-11 9.607847815914326E-11 1.64761781056445E-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 16.9   n/a MPO417852  
diameter diameter 2.362 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160081 (2000 JK40)          Discovered 2000-May-07 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2000 JK40 = 2004 TO80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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