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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04598248543074372 6.2496e-08  
a 2.618758344054894 2.8794e-08 au
q 2.498341326652751 1.5944e-07 au
i 26.70663633513394 5.3247e-06 deg
node 247.1785232748662 1.3742e-05 deg
peri 298.8362231340639 6.833e-05 deg
M 152.4587773356463 7.1755e-05 deg
tp 2458344.971625559869
(2018-Aug-14.47162556)
0.00030529 TDB
period 1547.89523386313
4.24
2.553e-05
6.99e-08
d
yr
n .2325738797589917 3.8359e-09 deg/d
Q 2.739175361457037 3.0118e-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 = 1.53276 au 
 Jupiter MOID = 2.35657 au 
 T_jup = 3.253 
[ 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 16.0   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2193-Jan-20 15:52 00:14 Thisb 0.0364546630716695 0.0363293561802073 0.0365808457981805 8.19607295627881 8.1960729334588 2522057.161258445 13.8354313209327 10894.9382135518 94.9883914263568 -54.8707198338927 46948.8242650328 T 11 CATAB v2.0f-lin.ifort 2020-Dec-18 06:08:56 2020-Dec-18 06:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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