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134681 (1999 XC25)
Classification: Mars-crossing Asteroid          SPK-ID: 2134681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3121003105425103 5.0659e-08  
a 2.387350418125497 1.5403e-08 au
q 1.642257611254738 1.2019e-07 au
i 8.297022846518832 5.1502e-06 deg
node 70.76290003171002 4.0625e-05 deg
peri 257.2522434078955 4.2001e-05 deg
M 255.3803988376393 1.93e-05 deg
tp 2459392.046405216425
(2021-Jun-26.54640522)
7.5411e-05 TDB
period 1347.325972493051
3.69
1.3039e-05
3.57e-08
d
yr
n .2671959179513677 2.5859e-09 deg/d
Q 3.132443224996257 2.0211e-08 au
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      7503 days (20.54 yr)  
   first obs. used      1999-10-08  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56749  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:21:41  

Additional Information
 Earth MOID = .655998 au 
 Jupiter MOID = 2.28467 au 
 T_jup = 3.453 
[ 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 15.6   n/a MPO436658  

134681 (1999 XC25)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 XC25 = 2002 JW23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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