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JPL Small-Body Database Browser
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75412 (1999 XJ108)
Classification: Mars-crossing Asteroid          SPK-ID: 2075412
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2869978336914203 3.4672e-08  
a 2.318972222561499 1.0511e-08 au
q 1.653432218295771 8.2171e-08 au
i 7.648406731963237 5.8011e-06 deg
node 70.71775172746037 3.7563e-05 deg
peri 245.5287295976236 3.9633e-05 deg
M 355.3356576777257 1.4359e-05 deg
tp 2459017.212047535885
(2020-Jun-16.71204754)
5.1508e-05 TDB
period 1289.857539869641
3.53
8.77e-06
2.401e-08
d
yr
n .2791005896948768 1.8977e-09 deg/d
Q 2.984512226827227 1.3528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      7122 days (19.50 yr)  
   first obs. used      1999-10-04  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52639  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:25:35  

Additional Information
 Earth MOID = .657991 au 
 Jupiter MOID = 2.35837 au 
 T_jup = 3.511 
[ 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 15.3   n/a MPO385291  

75412 (1999 XJ108)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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