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347534 (1999 XN142)
Classification: Inner Main-belt Asteroid          SPK-ID: 2347534
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08015530826905089 4.34e-08  
a 1.874427668112882 9.3442e-09 au
q 1.724182340547256 8.3869e-08 au
i 21.61799334577869 8.6171e-06 deg
node 285.6305822647153 1.2901e-05 deg
peri 111.2580007416519 6.2713e-05 deg
M 34.82239210665449 5.9648e-05 deg
tp 2458909.831264941322
(2020-Mar-01.33126494)
0.00015509 TDB
period 937.349292982278
2.57
7.0091e-06
1.919e-08
d
yr
n .384061739519343 2.8719e-09 deg/d
Q 2.024672995678509 1.0093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      1999-12-12  
   last obs. used      2019-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47872  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:33:56  

Additional Information
 Earth MOID = .802621 au 
 Jupiter MOID = 3.24958 au 
 T_jup = 3.888 
[ 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 16.9   n/a MPO303191  

347534 (1999 XN142)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

Alternate Designations
 1999 XN142 = 2004 RL289 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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