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JPL Small-Body Database Browser
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376764 (1999 XS16)
Classification: Mars-crossing Asteroid          SPK-ID: 2376764
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5359069928144482 6.6365e-08  
a 2.940919072821329 2.1674e-08 au
q 1.364859976394995 1.9787e-07 au
i 10.07982738566224 8.2891e-06 deg
node 77.36227607876167 2.3103e-05 deg
peri 99.1406089879481 2.922e-05 deg
M 344.725400512436 2.5816e-05 deg
tp 2459078.661047030194
(2020-Aug-17.16104703)
0.00013257 TDB
period 1842.141717285529
5.04
2.0364e-05
5.575e-08
d
yr
n .1954247040941424 2.1604e-09 deg/d
Q 4.516978169247662 3.3289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      7324 days (20.05 yr)  
   first obs. used      1999-11-15  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51762  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:08:26  

Additional Information
 Earth MOID = .419968 au 
 Jupiter MOID = .837362 au 
 T_jup = 3.019 
[ 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 15.4   n/a MPO418909  

376764 (1999 XS16)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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