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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457312.5 (2015-Oct-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3027211857973997 6.0065e-08  
q 1.665879724577443 1.4732e-07 au
tp 2457942.572917301633
(2017-Jul-08.07291730)
2.8693e-05 TDB
node 283.5531777427204 2.5231e-05 deg
peri 33.24636074981357 2.6071e-05 deg
i 12.44246950017402 4.7159e-06 deg
  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
 Jupiter MOID = 2.22953 au 
 T_jup = 3.440 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.607772719299873E-15 -8.828961649601432E-15 9.568802238956194E-13 5.2814434821778E-15 1.985813510269302E-13 -2.755501657646351E-14
q -8.828961649601432E-15 2.170354076340985E-14 -2.349229749089845E-12 -6.819742932031061E-15 -5.060489802449361E-13 6.880937114278801E-14
tp 9.568802238956194E-13 -2.349229749089845E-12 8.232980195614981E-10 3.596585666278394E-13 2.171658457815551E-10 -1.037634241572097E-11
node 5.2814434821778E-15 -6.819742932031061E-15 3.596585666278394E-13 6.366284627669821E-10 -6.222903581864102E-10 4.119617406943072E-11
peri 1.985813510269302E-13 -5.060489802449361E-13 2.171658457815551E-10 -6.222903581864102E-10 6.797065858294625E-10 -4.294372978458862E-11
i -2.755501657646351E-14 6.880937114278801E-14 -1.037634241572097E-11 4.119617406943072E-11 -4.294372978458862E-11 2.224004125631116E-11

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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