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243869 (2000 XJ1)
Classification: Main-belt Asteroid          SPK-ID: 2243869
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756144374486657 1.4402e-07  
a 2.546194907887754 1.867e-08 au
q 2.099046321504389 3.7915e-07 au
i 6.818223853813548 7.9838e-06 deg
node 267.4705357025646 7.4171e-05 deg
peri 168.9086855259892 8.5915e-05 deg
M 293.2118906341983 4.1572e-05 deg
tp 2459275.816692569615
(2021-Mar-02.31669257)		 0.00017362 TDB
period 1484.006812982371
4.06		 1.6322e-05
4.469e-08		 d
yr
n .2425864873736779 2.6681e-09 deg/d
Q 2.993343494271119 2.1949e-08 au
   Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      10188 days (27.89 yr)  
   first obs. used      1992-12-26  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50658  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:09:31  

Additional Information
 Earth MOID = 1.11489 au 
 Jupiter MOID = 2.26574 au 
 T_jup = 3.411 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457425.5 (2016-Feb-07.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752969771244552 1.4622e-07  
q 2.100865234071552 3.8578e-07 au
tp 2457786.244929857992
(2017-Feb-01.74492986)		 0.00016195 TDB
node 267.5510379868468 7.4371e-05 deg
peri 167.9133495326489 8.6049e-05 deg
i 6.807100434221641 7.9916e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      10188 days (27.89 yr)  
   first obs. used      1992-12-26  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50658  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:09:31  

Additional Information
 Jupiter MOID = 2.26574 au 
 T_jup = 3.411 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.137978141585416E-14 -5.639135983407027E-14 -2.068326854335588E-11 -1.458899317329863E-13 -5.379594053824001E-12 -9.744974937761269E-14
q -5.639135983407027E-14 1.488230078074223E-13 5.461514623653226E-11 3.909547684649514E-13 1.419695891337582E-11 2.569121399979454E-13
tp -2.068326854335588E-11 5.461514623653226E-11 2.622688769895298E-8 1.546581068059545E-10 7.10307957963495E-9 1.042034744411859E-10
node -1.458899317329863E-13 3.909547684649514E-13 1.546581068059545E-10 5.531087132509825E-9 -5.451032147516096E-9 -4.346084071220454E-10
peri -5.379594053824001E-12 1.419695891337582E-11 7.10307957963495E-9 -5.451032147516096E-9 7.404396885440586E-9 4.599009134144986E-10
i -9.744974937761269E-14 2.569121399979454E-13 1.042034744411859E-10 -4.346084071220454E-10 4.599009134144986E-10 6.386535737997447E-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 16.3   n/a MPO396768  
diameter diameter 3.180 km 0.457 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243869 (2000 XJ1)          Discovered 2000-Dec-03 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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