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382117 (2011 HN56)
Classification: Main-belt Asteroid          SPK-ID: 2382117
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292857409385698 9.9796e-08  
a 2.531106760228658 2.0937e-08 au
q 2.203870747337873 2.5665e-07 au
i 15.23345017216257 1.3607e-05 deg
node 70.36330299191336 2.5316e-05 deg
peri 114.510130575596 5.7995e-05 deg
M 123.8770076200625 4.7089e-05 deg
tp 2458494.381365413783
(2019-Jan-10.88136541)
0.00019291 TDB
period 1470.835564658325
4.03
1.825e-05
4.997e-08
d
yr
n .2447588354879276 3.0369e-09 deg/d
Q 2.858342773119442 2.3644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      5883 days (16.11 yr)  
   first obs. used      2003-05-25  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:32:34  

Additional Information
 Earth MOID = 1.24731 au 
 Jupiter MOID = 2.21693 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457482.5 (2016-Apr-04.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283529305231731 9.9885e-08  
q 2.206281208809485 2.5583e-07 au
tp 2457022.216144893157
(2014-Dec-30.71614489)
0.00019697 TDB
node 70.39629077246619 2.5298e-05 deg
peri 114.2907036938798 5.8536e-05 deg
i 15.23903133347452 1.3615e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      5883 days (16.11 yr)  
   first obs. used      2003-05-25  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:32:34  

Additional Information
 Jupiter MOID = 2.21693 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.976955678444249E-15 -2.549199426537209E-14 1.54041387272475E-11 -7.958534368844023E-14 4.031511857666158E-12 -6.196538357477404E-14
q -2.549199426537209E-14 6.544846983835893E-14 -3.945232855734854E-11 2.019630326827798E-13 -1.030290701664523E-11 1.601304665555072E-13
tp 1.54041387272475E-11 -3.945232855734854E-11 3.879705754202274E-8 -1.219831954335032E-10 1.043275753261306E-8 -1.465704008219529E-10
node -7.958534368844023E-14 2.019630326827798E-13 -1.219831954335032E-10 6.399779362775812E-10 -6.486484629879225E-10 -2.209272247033518E-10
peri 4.031511857666158E-12 -1.030290701664523E-11 1.043275753261306E-8 -6.486484629879225E-10 3.426450198123438E-9 1.746798389967244E-10
i -6.196538357477404E-14 1.601304665555072E-13 -1.465704008219529E-10 -2.209272247033518E-10 1.746798389967244E-10 1.853724153255666E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO476789  

382117 (2011 HN56)          Discovered 2009-Nov-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-12-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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