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305573 (2008 XJ3)
Classification: Main-belt Asteroid          SPK-ID: 2305573
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04603424525918965 6.2453e-08  
a 2.618593375335664 2.8747e-08 au
q 2.498048405661373 1.5929e-07 au
i 26.70674208494275 5.3247e-06 deg
node 247.1775397664257 1.3743e-05 deg
peri 298.6590757576062 6.8297e-05 deg
M 199.1703810535619 7.1973e-05 deg
tp 2459891.955214816966
(2022-Nov-08.45521482)
0.00031333 TDB
period 1547.748971643141
4.24
2.5487e-05
6.978e-08
d
yr
n .2325958579819389 3.8301e-09 deg/d
Q 2.739138345009956 3.007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      6724 days (18.41 yr)  
   first obs. used      2002-06-10  
   last obs. used      2020-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:08:55  

Additional Information
 Earth MOID = 1.53147 au 
 Jupiter MOID = 2.35591 au 
 T_jup = 3.253 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458427.5 (2018-Nov-05.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04481565999444715 6.279e-08  
q 2.502048218223869 1.5991e-07 au
tp 2458347.579058035707
(2018-Aug-17.07905804)
0.00031134 TDB
node 247.1964234791335 1.3732e-05 deg
peri 299.5914362027714 6.9657e-05 deg
i 26.71518243644961 5.3283e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      6724 days (18.41 yr)  
   first obs. used      2002-06-10  
   last obs. used      2020-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:08:55  

Additional Information
 Jupiter MOID = 2.35591 au 
 T_jup = 3.253 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.942533994724554E-15 -9.900981136632745E-15 3.494186274010208E-12 6.495479146754113E-14 6.986281465064293E-13 2.235433954947711E-14
q -9.900981136632745E-15 2.557200561352299E-14 -6.860989629630951E-12 -1.613569980252439E-13 -1.326919410555187E-12 -5.302554308399841E-14
tp 3.494186274010208E-12 -6.860989629630951E-12 9.69342833794258E-8 2.003861333246152E-10 2.131434288278387E-8 -1.230084083921579E-12
node 6.495479146754113E-14 -1.613569980252439E-13 2.003861333246152E-10 1.885721015055577E-10 -1.24200536425336E-10 -2.203763589387005E-11
peri 6.986281465064293E-13 -1.326919410555187E-12 2.131434288278387E-8 -1.24200536425336E-10 4.852146865185031E-9 1.939336534874578E-11
i 2.235433954947711E-14 -5.302554308399841E-14 -1.230084083921579E-12 -2.203763589387005E-11 1.939336534874578E-11 2.839100273732012E-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 16.0   n/a MPO494622  
diameter diameter 3.648 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305573 (2008 XJ3)          Discovered 2008-Dec-06 by BATTeRS at Bisei SG Center
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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