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216458 (2009 HG59)
Classification: Main-belt Asteroid          SPK-ID: 2216458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2017789464519444 3.0473e-08  
a 2.590257321124429 1.7008e-08 au
q 2.067597927828506 7.7098e-08 au
i 6.980014879916244 7.426e-06 deg
node 172.2187966418329 3.0425e-05 deg
peri 109.5317626489887 3.7904e-05 deg
M 243.9751917057569 2.261e-05 deg
tp 2459691.250951625462
(2022-Apr-21.75095163)
9.808e-05 TDB
period 1522.694544231645
4.17
1.4997e-05
4.106e-08
d
yr
n .2364229919676088 2.3286e-09 deg/d
Q 3.112916714420352 2.044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      10068 days (27.56 yr)  
   first obs. used      1993-09-14  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58198  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:41:43  

Additional Information
 Earth MOID = 1.06221 au 
 Jupiter MOID = 2.08564 au 
 T_jup = 3.381 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.19   n/a MPCxxxxx  

216458 (2009 HG59)          Discovered 2009-Apr-20 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2009 HG59 = 2005 NC85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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