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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04603424539851395 6.2453e-08  
a 2.618593375134493 2.8747e-08 au
q 2.498048405104629 1.5929e-07 au
i 26.70674208258072 5.3247e-06 deg
node 247.1775397650669 1.3743e-05 deg
peri 298.6590757098533 6.8297e-05 deg
M 199.1703810753134 7.1973e-05 deg
tp 2459891.955214643769
(2022-Nov-08.45521464)
0.00031333 TDB
period 1547.748971464785
4.24
2.5487e-05
6.978e-08
d
yr
n .2325958580087423 3.8301e-09 deg/d
Q 2.739138345164357 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50494  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:55:42  

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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04481566005566118 6.279e-08  
q 2.50204821831068 1.5991e-07 au
tp 2458347.579058632029
(2018-Aug-17.07905863)
0.00031134 TDB
node 247.196423480371 1.3732e-05 deg
peri 299.5914363290125 6.9657e-05 deg
i 26.71518243654914 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50494  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:55:42  

Additional Information
 Jupiter MOID = 2.35591 au 
 T_jup = 3.253 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.942534543905615E-15 -9.90098209017364E-15 3.494190057451078E-12 6.49548003458073E-14 6.98628965547564E-13 2.235433823745339E-14
q -9.90098209017364E-15 2.557200602644599E-14 -6.860993723405509E-12 -1.613570089621159E-13 -1.326920378958404E-12 -5.302554290990392E-14
tp 3.494190057451078E-12 -6.860993723405509E-12 9.693431376018528E-8 2.003862409346747E-10 2.131434970310644E-8 -1.230049722066086E-12
node 6.49548003458073E-14 -1.613570089621159E-13 2.003862409346747E-10 1.885721014017565E-10 -1.242005126391962E-10 -2.203763723086325E-11
peri 6.98628965547564E-13 -1.326920378958404E-12 2.131434970310644E-8 -1.242005126391962E-10 4.852148387048747E-9 1.939337351593788E-11
i 2.235433823745339E-14 -5.302554290990392E-14 -1.230049722066086E-12 -2.203763723086325E-11 1.939337351593788E-11 2.839100345321858E-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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