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216906 (2009 HX96)
Classification: Main-belt Asteroid          SPK-ID: 2216906
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498948340976571 3.926e-08  
a 3.00417820162434 2.6843e-08 au
q 2.553867408492062 1.1153e-07 au
i 9.937973951299901 5.5179e-06 deg
node 143.501479380925 2.4033e-05 deg
peri 91.22732361115999 3.1332e-05 deg
M 80.83108381925905 1.8362e-05 deg
tp 2458773.465597347714
(2019-Oct-16.96559735)
9.6966e-05 TDB
period 1901.896865549567
5.21
2.5491e-05
6.979e-08
d
yr
n .1892847117637871 2.5369e-09 deg/d
Q 3.454488994756619 3.0867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      6475 days (17.73 yr)  
   first obs. used      2003-01-28  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:45  

Additional Information
 Earth MOID = 1.56604 au 
 Jupiter MOID = 1.65975 au 
 T_jup = 3.212 
[ 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 16.05   n/a E2021B55  
diameter diameter 4.046 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216906 (2009 HX96)          Discovered 2009-Apr-30 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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