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216775 (2006 HX38)
Classification: Main-belt Asteroid          SPK-ID: 2216775
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04886767683071613 4.7528e-08  
a 3.16271885565183 3.2262e-08 au
q 3.008164132707424 1.6324e-07 au
i 10.39458334854925 5.0781e-06 deg
node 72.16048287319364 2.6109e-05 deg
peri 87.12973191946892 6.0659e-05 deg
M 276.0589443333602 5.4603e-05 deg
tp 2459679.528369610361
(2022-Apr-10.02836961)
0.00031313 TDB
period 2054.42035116394
5.62
3.1435e-05
8.606e-08
d
yr
n .1752319089888496 2.6812e-09 deg/d
Q 3.317273578596236 3.3839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      2000-03-29  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5883  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:13  

Additional Information
 Earth MOID = 2.04038 au 
 Jupiter MOID = 1.74767 au 
 T_jup = 3.177 
[ 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 15.08   n/a MPCxxxxx  
diameter diameter 7.183 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216775 (2006 HX38)          Discovered 2006-Apr-21 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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