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134705 (1999 XA186)
Classification: Mars-crossing Asteroid          SPK-ID: 2134705
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3030677332330072 5.9907e-08  
a 2.387755010953685 1.5023e-08 au
q 1.664103512268198 1.4704e-07 au
i 12.43357666859711 4.7116e-06 deg
node 283.4145738460624 2.5275e-05 deg
peri 33.54235605618015 2.6115e-05 deg
M 335.7966904235175 7.5973e-06 deg
tp 2459291.105660277858
(2021-Mar-17.60566028)
2.8608e-05 TDB
period 1347.66849124315
3.69
1.2718e-05
3.482e-08
d
yr
n .2671280083634809 2.521e-09 deg/d
Q 3.111406509639173 1.9576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      7471 days (20.45 yr)  
   first obs. used      1999-12-12  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:09:33  

Additional Information
 Earth MOID = .662421 au 
 Jupiter MOID = 2.22953 au 
 T_jup = 3.440 
[ 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 15.4   n/a MPO436659  

134705 (1999 XA186)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1999 XA186 = 2003 YQ51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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