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379766 (2011 HY16)
Classification: Main-belt Asteroid          SPK-ID: 2379766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365123312044495 8.0628e-08  
a 3.049545146150483 5.5635e-08 au
q 2.633244629136267 2.5178e-07 au
i 5.869147324652073 8.3322e-06 deg
node 49.49663516555483 8.3812e-05 deg
peri 167.9077444020056 8.8729e-05 deg
M 177.9694570488374 3.016e-05 deg
tp 2457638.901001604340
(2016-Sep-07.40100160)
0.00015502 TDB
period 1945.140728992852
5.33
5.3229e-05
1.457e-07
d
yr
n .1850765832179143 5.0647e-09 deg/d
Q 3.465845663164699 6.3229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      3636 days (9.95 yr)  
   first obs. used      2008-10-31  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66624  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:07:12  

Additional Information
 Earth MOID = 1.6263 au 
 Jupiter MOID = 1.5052 au 
 T_jup = 3.215 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457133.5 (2015-Apr-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382352656652711 7.9859e-08  
q 2.627007823687869 2.5023e-07 au
tp 2457640.090971216833
(2016-Sep-08.59097122)
0.00015399 TDB
node 49.58605711008332 8.3906e-05 deg
peri 168.1014050799204 8.8756e-05 deg
i 5.867148255907308 8.3237e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      3636 days (9.95 yr)  
   first obs. used      2008-10-31  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66624  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:07:12  

Additional Information
 Jupiter MOID = 1.5052 au 
 T_jup = 3.215 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.3774046159137E-15 -1.961284332120913E-14 -6.623532856920406E-12 -1.386918214051636E-14 -1.265808167723935E-12 -1.080310178045022E-14
q -1.961284332120913E-14 6.261309343076545E-14 2.193551492846322E-11 5.908376067111905E-14 4.051971964270815E-12 3.47217232172226E-14
tp -6.623532856920406E-12 2.193551492846322E-11 2.37137393652468E-8 9.051000382913587E-11 4.562768976164767E-9 1.121235973361518E-11
node -1.386918214051636E-14 5.908376067111905E-14 9.051000382913587E-11 7.040276955303286E-9 -6.985576442813456E-9 -3.924182988085446E-10
peri -1.265808167723935E-12 4.051971964270815E-12 4.562768976164767E-9 -6.985576442813456E-9 7.87765103933164E-9 3.924178700191476E-10
i -1.080310178045022E-14 3.47217232172226E-14 1.121235973361518E-11 -3.924182988085446E-10 3.924178700191476E-10 6.928446427724462E-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 16.3   n/a MPO418933  

379766 (2011 HY16)          Discovered 2008-Oct-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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