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JPL Small-Body Database Browser
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376763 (1999 XB9)
Classification: Mars-crossing Asteroid          SPK-ID: 2376763
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2948474864884041 1.4479e-07  
a 2.276452107117249 1.6723e-08 au
q 1.605245925222497 3.3858e-07 au
i 23.66231224088202 1.1639e-05 deg
node 82.17830888410904 2.9763e-05 deg
peri 312.7429056333451 3.8683e-05 deg
M 4.701632919426099 2.3434e-05 deg
tp 2458984.115529097186
(2020-May-14.61552910)
8.1541e-05 TDB
period 1254.544883893841
3.43
1.3824e-05
3.785e-08
d
yr
n .2869566522663076 3.162e-09 deg/d
Q 2.947658289012001 2.1653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      6236 days (17.07 yr)  
   first obs. used      1999-10-08  
   last obs. used      2016-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47047  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 23:58:17  

Additional Information
 Earth MOID = .680789 au 
 Jupiter MOID = 2.58594 au 
 T_jup = 3.444 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO386479  

376763 (1999 XB9)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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