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227695 (2006 DK44)
Classification: Main-belt Asteroid          SPK-ID: 2227695
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143196514803313 5.6621e-08  
a 3.102000801089773 3.323e-08 au
q 2.657805097456632 1.8402e-07 au
i 2.650790693433532 4.8454e-06 deg
node 252.9104584015626 0.0001169 deg
peri 296.607430157418 0.00011798 deg
M 228.9571813073836 1.8826e-05 deg
tp 2459926.893602515850
(2022-Dec-13.39360252)
0.00011133 TDB
period 1995.543895610974
5.46
3.2066e-05
8.779e-08
d
yr
n .1804019449493388 2.8988e-09 deg/d
Q 3.546196504722913 3.7988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      6294 days (17.23 yr)  
   first obs. used      2003-09-18  
   last obs. used      2020-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50143  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:47  

Additional Information
 Earth MOID = 1.65902 au 
 Jupiter MOID = 1.43267 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457528.5 (2016-May-20.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430295495001059 5.6994e-08  
q 2.658061485304919 1.853e-07 au
tp 2457936.232313328873
(2017-Jul-01.73231333)
9.4648e-05 TDB
node 252.9873953621374 0.00011716 deg
peri 297.4704036824239 0.00011824 deg
i 2.64709058489193 4.8421e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      6294 days (17.23 yr)  
   first obs. used      2003-09-18  
   last obs. used      2020-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50143  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:47  

Additional Information
 Jupiter MOID = 1.43267 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.24835445385046E-15 -1.044088232258758E-14 -8.459602644937533E-13 1.465058137014971E-15 -3.713188001378898E-14 -1.562647249561602E-15
q -1.044088232258758E-14 3.433456409814109E-14 3.698913520766337E-12 -2.620590563687676E-15 2.537551127049668E-13 5.605446726278547E-15
tp -8.459602644937533E-13 3.698913520766337E-12 8.958287748252574E-9 -4.430071933079471E-12 1.544787855894068E-9 1.706021412634684E-12
node 1.465058137014971E-15 -2.620590563687676E-15 -4.430071933079471E-12 1.372569269072734E-8 -1.371171178102454E-8 -1.058883942451596E-10
peri -3.713188001378898E-14 2.537551127049668E-13 1.544787855894068E-9 -1.371171178102454E-8 1.398123434808189E-8 1.059977311278409E-10
i -1.562647249561602E-15 5.605446726278547E-15 1.706021412634684E-12 -1.058883942451596E-10 1.059977311278409E-10 2.344583449587147E-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 15.69   n/a MPCxxxxx  
diameter diameter 5.459 km 1.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227695 (2006 DK44)          Discovered 2006-Feb-20 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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