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379385 (2009 XB17)
Classification: Main-belt Asteroid          SPK-ID: 2379385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2083681843373175 4.4799e-08  
a 2.703438566513402 2.39e-08 au
q 2.140127980941524 1.2399e-07 au
i 5.089296883308663 4.413e-06 deg
node 113.7846967401766 8.0851e-05 deg
peri 31.00372447262486 8.2359e-05 deg
M 102.3369605051751 1.5495e-05 deg
tp 2458538.966533826117
(2019-Feb-24.46653383)
6.8011e-05 TDB
period 1623.578099275242
4.45
2.153e-05
5.895e-08
d
yr
n .2217324809694725 2.9403e-09 deg/d
Q 3.26674915208528 2.888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      4833 days (13.23 yr)  
   first obs. used      2006-01-08  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:22  

Additional Information
 Earth MOID = 1.15446 au 
 Jupiter MOID = 1.75648 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457304.5 (2015-Oct-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092252930050963 4.4604e-08  
q 2.135596044914813 1.2373e-07 au
tp 2456916.086259971289
(2014-Sep-15.58625997)
6.5451e-05 TDB
node 113.8086730299761 8.0897e-05 deg
peri 30.64891603871155 8.2393e-05 deg
i 5.089477594257973 4.4132e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      4833 days (13.23 yr)  
   first obs. used      2006-01-08  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:22  

Additional Information
 Jupiter MOID = 1.75648 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.989549393346797E-15 -5.4529424242868E-15 1.166840846520292E-12 -1.575782435834498E-14 2.90855048736423E-13 -1.124560123565393E-15
q -5.4529424242868E-15 1.530991384367081E-14 -3.228765596283071E-12 4.256970782942864E-14 -7.798926043595037E-13 3.707470047677043E-15
tp 1.166840846520292E-12 -3.228765596283071E-12 4.283870681506059E-9 -3.109728847883236E-11 1.096954783722593E-9 -3.219071664038208E-12
node -1.575782435834498E-14 4.256970782942864E-14 -3.109728847883236E-11 6.544332303276293E-9 -6.525555084721548E-9 3.877170796661729E-11
peri 2.90855048736423E-13 -7.798926043595037E-13 1.096954783722593E-9 -6.525555084721548E-9 6.78852848935033E-9 -3.932397451355343E-11
i -1.124560123565393E-15 3.707470047677043E-15 -3.219071664038208E-12 3.877170796661729E-11 -3.932397451355343E-11 1.947597126203595E-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 16.8   n/a MPO423396  
diameter diameter 2.549 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379385 (2009 XB17)          Discovered 2009-Dec-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

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