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JPL Small-Body Database Browser
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379790 (2011 HT69)
Classification: Main-belt Asteroid          SPK-ID: 2379790
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187082159799699 1.1132e-07  
a 2.606376080348607 2.62e-08 au
q 2.296977825677557 2.9438e-07 au
i 5.319664931473461 1.0241e-05 deg
node 36.6764986452775 9.0429e-05 deg
peri 120.9059944203456 0.00010889 deg
M 100.7154106890536 5.1102e-05 deg
tp 2458570.520771559281
(2019-Mar-28.02077156)
0.00021823 TDB
period 1536.929861871501
4.21
2.3175e-05
6.345e-08
d
yr
n .2342332001810625 3.5319e-09 deg/d
Q 2.915774335019657 2.931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      6260 days (17.14 yr)  
   first obs. used      2002-01-14  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:13:48  

Additional Information
 Earth MOID = 1.3112 au 
 Jupiter MOID = 2.07227 au 
 T_jup = 3.396 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456975.5 (2014-Nov-14.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197486235927277 1.1027e-07  
q 2.293555443761107 2.9261e-07 au
tp 2457033.049459833307
(2015-Jan-10.54945983)
0.0002188 TDB
node 36.72231237331755 9.0392e-05 deg
peri 120.368100496787 0.00010869 deg
i 5.321724352317214 1.0243e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      6260 days (17.14 yr)  
   first obs. used      2002-01-14  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:13:48  

Additional Information
 Jupiter MOID = 2.07227 au 
 T_jup = 3.396 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.215997473863047E-14 -3.216595125787573E-14 1.46702454783556E-11 -2.015761988891139E-14 4.056786633632302E-12 -4.282728001557147E-14
q -3.216595125787573E-14 8.562246229880108E-14 -3.900524475475235E-11 5.669909031098297E-14 -1.080193363821081E-11 1.129181779883935E-13
tp 1.46702454783556E-11 -3.900524475475235E-11 4.787248658597662E-8 -1.193903557075877E-10 1.326628768555007E-8 -4.469495094145947E-11
node -2.015761988891139E-14 5.669909031098297E-14 -1.193903557075877E-10 8.170657843830452E-9 -8.168262367949191E-9 -3.859057848053221E-10
peri 4.056786633632302E-12 -1.080193363821081E-11 1.326628768555007E-8 -8.168262367949191E-9 1.181329956711377E-8 3.723532904354539E-10
i -4.282728001557147E-14 1.129181779883935E-13 -4.469495094145947E-11 -3.859057848053221E-10 3.723532904354539E-10 1.049208372905002E-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 MPO427887  

379790 (2011 HT69)          Discovered 2005-Dec-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 2011 HT69 = 2009 VY66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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