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JPL Small-Body Database Browser
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379788 (2011 HP69)
Classification: Main-belt Asteroid          SPK-ID: 2379788
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 .04187603253243651 5.8317e-08  
a 2.789034084438462 4.7077e-08 au
q 2.672240402384442 1.8665e-07 au
i 5.276674564931293 7.0967e-06 deg
node 126.6337441708197 6.2117e-05 deg
peri 321.5205863391772 0.0001065 deg
M 101.6732961345522 8.503e-05 deg
tp 2458520.010875865784
(2019-Feb-05.51087587)
0.00040175 TDB
period 1701.293173965805
4.66
4.3075e-05
1.179e-07
d
yr
n .2116037409124618 5.3576e-09 deg/d
Q 2.905827766492481 4.9049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      5090 days (13.94 yr)  
   first obs. used      2006-02-27  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5893  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:13:48  

Additional Information
 Earth MOID = 1.6912 au 
 Jupiter MOID = 2.17287 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457446.5 (2016-Feb-28.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04236538283836296 5.8722e-08  
q 2.671019265148223 1.8785e-07 au
tp 2456824.689412858050
(2014-Jun-16.18941286)
0.00039717 TDB
node 126.6467855536592 6.2122e-05 deg
peri 322.8977591613013 0.00010527 deg
i 5.276452467233884 7.0964e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      5090 days (13.94 yr)  
   first obs. used      2006-02-27  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5893  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:13:48  

Additional Information
 Jupiter MOID = 2.17287 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.448252028547978E-15 -1.07709488560637E-14 6.100805204215042E-12 -1.406112052422233E-14 1.21498012045273E-12 -1.898764689617751E-15
q -1.07709488560637E-14 3.528789598513744E-14 -1.900814596020952E-11 4.565189335271774E-14 -3.663557883600037E-12 7.667877827031956E-15
tp 6.100805204215042E-12 -1.900814596020952E-11 1.577458596546154E-7 -7.160935179522776E-13 3.376217439968769E-8 -8.839707022981649E-14
node -1.406112052422233E-14 4.565189335271774E-14 -7.160935179522776E-13 3.859150558908954E-9 -3.841652510509886E-9 8.003288861433551E-11
peri 1.21498012045273E-12 -3.663557883600037E-12 3.376217439968769E-8 -3.841652510509886E-9 1.10824305562697E-8 -7.953814003810111E-11
i -1.898764689617751E-15 7.667877827031956E-15 -8.839707022981649E-14 8.003288861433551E-11 -7.953814003810111E-11 5.035942739074751E-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 16.4   n/a MPO471895  

379788 (2011 HP69)          Discovered 2009-Dec-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 HP69 = 2009 YP2 = 2010 FA77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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