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JPL Small-Body Database Browser
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305972 (2009 HG76)
Classification: Main-belt Asteroid          SPK-ID: 2305972
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0483300872584021 8.2359e-08  
a 3.052214058721977 5.1354e-08 au
q 2.904700286932623 2.6464e-07 au
i 2.914315511471516 7.9225e-06 deg
node 94.24054833344091 0.00018457 deg
peri 146.4224235814287 0.00021078 deg
M 280.5665060570043 0.00010659 deg
tp 2459030.256124386347
(2020-Jun-29.75612439)
0.00058113 TDB
period 1947.694821155822
5.33
4.9156e-05
1.346e-07
d
yr
n .1848338846977911 4.6648e-09 deg/d
Q 3.199727830511332 5.3836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      8530 days (23.35 yr)  
   first obs. used      1995-10-20  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67423  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:19:40  

Additional Information
 Earth MOID = 1.89225 au 
 Jupiter MOID = 1.79051 au 
 T_jup = 3.233 
[ show covariance matrix ]

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 16.6   n/a MPO433971  

305972 (2009 HG76)          Discovered 2009-Apr-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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