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160890 (2001 QH282)
Classification: Outer Main-belt Asteroid          SPK-ID: 2160890
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 .1864486429226668 5.1656e-08  
a 3.421420876552514 4.0601e-08 au
q 2.783501597252017 1.7054e-07 au
i 15.19973631357509 5.998e-06 deg
node 269.3944780007614 1.9829e-05 deg
peri 96.0923161185825 2.6933e-05 deg
M 345.7963031829196 1.9056e-05 deg
tp 2459091.702568878269
(2020-Aug-30.20256888)
0.00012317 TDB
period 2311.576008627153
6.33
4.1147e-05
1.127e-07
d
yr
n .1557379029097141 2.7722e-09 deg/d
Q 4.059340155853011 4.8171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      6450 days (17.66 yr)  
   first obs. used      2001-08-19  
   last obs. used      2019-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55562  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:44:51  

Additional Information
 Earth MOID = 1.83549 au 
 Jupiter MOID = 1.78439 au 
 T_jup = 3.058 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456691.5 (2014-Feb-03.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951419072700261 5.3485e-08  
q 2.749589168645858 1.7987e-07 au
tp 2456768.530191717001
(2014-Apr-21.03019172)
9.6893e-05 TDB
node 270.0284713566197 2.0041e-05 deg
peri 94.20487020306126 2.5961e-05 deg
i 15.12180054145307 5.9858e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      6450 days (17.66 yr)  
   first obs. used      2001-08-19  
   last obs. used      2019-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55562  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:44:51  

Additional Information
 Jupiter MOID = 1.78439 au 
 T_jup = 3.058 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.860629215664158E-15 -9.481771006618399E-15 8.62907730657663E-13 -8.916846183121339E-15 1.880308773046423E-14 -8.987620460979375E-17
q -9.481771006618399E-15 3.235395510339839E-14 -2.09275904533928E-12 2.81146539066936E-14 5.311331473526569E-14 8.857817380053142E-15
tp 8.62907730657663E-13 -2.09275904533928E-12 9.388327132101135E-9 -1.611184436551914E-11 1.617704255177476E-9 -3.766656617146259E-12
node -8.916846183121339E-15 2.81146539066936E-14 -1.611184436551914E-11 4.016297824381077E-10 -3.896217840491018E-10 -1.959314709442122E-11
peri 1.880308773046423E-14 5.311331473526569E-14 1.617704255177476E-9 -3.896217840491018E-10 6.739808759827711E-10 1.832656389572264E-11
i -8.987620460979375E-17 8.857817380053142E-15 -3.766656617146259E-12 -1.959314709442122E-11 1.832656389572264E-11 3.582925827284422E-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 13.8   n/a MPO436810  
diameter diameter 8.718 km 0.406 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160890 (2001 QH282)          Discovered 2001-Aug-19 by LONEOS at Anderson Mesa
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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