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39316 (2001 UH80)
Classification: Main-belt Asteroid          SPK-ID: 2039316
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1801618841693241 4.7511e-08  
a 2.409624323953023 1.1852e-08 au
q 1.975501865609412 1.17e-07 au
i 1.110608016359742 5.6994e-06 deg
node 182.1946878251612 0.00028401 deg
peri 162.4119907996128 0.0002845 deg
M 27.19820507077994 1.7093e-05 deg
tp 2458897.280873886620
(2020-Feb-17.78087389)
6.464e-05 TDB
period 1366.225649969016
3.74
1.008e-05
2.76e-08
d
yr
n .2634996642085913 1.9441e-09 deg/d
Q 2.843746782296633 1.3988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      361  
   data-arc span      9528 days (26.09 yr)  
   first obs. used      1993-07-19  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6064  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:59:59  

Additional Information
 Earth MOID = .968029 au 
 Jupiter MOID = 2.56327 au 
 T_jup = 3.498 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456690.5 (2014-Feb-02.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805098868007575 4.7625e-08  
q 1.97545296131893 1.1754e-07 au
tp 2456165.780696059942
(2012-Aug-26.28069606)
6.2019e-05 TDB
node 182.2466634428454 0.00028422 deg
peri 162.7127503366686 0.00028471 deg
i 1.109663781281807 5.7001e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      361  
   data-arc span      9528 days (26.09 yr)  
   first obs. used      1993-07-19  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6064  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:59:59  

Additional Information
 Jupiter MOID = 2.56327 au 
 T_jup = 3.498 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.268143601454984E-15 -5.579571070709085E-15 8.542822021894758E-13 -2.28135882725904E-15 2.24402738616597E-13 4.405962303056036E-17
q -5.579571070709085E-15 1.381583545893713E-14 -2.095984253798971E-12 6.770328364901397E-15 -5.445299860011425E-13 2.562074779540989E-17
tp 8.542822021894758E-13 -2.095984253798971E-12 3.846412566780428E-9 -1.156485424577301E-11 1.066140009328145E-9 2.248304058153008E-13
node -2.28135882725904E-15 6.770328364901397E-15 -1.156485424577301E-11 8.07831500591933E-8 -8.076975062709167E-8 3.638928226448159E-10
peri 2.24402738616597E-13 -5.445299860011425E-13 1.066140009328145E-9 -8.076975062709167E-8 8.106174431746227E-8 -3.63752383765283E-10
i 4.405962303056036E-17 2.562074779540989E-17 2.248304058153008E-13 3.638928226448159E-10 -3.63752383765283E-10 3.249058581345628E-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 16.6   n/a MPO439360  
rotation period rot_per 4.165 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

39316 (2001 UH80)          Discovered 2001-Oct-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 UH80 = 2000 HW102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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