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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3122016978180384 5.066e-08  
a 2.387366903931747 1.5222e-08 au
q 1.642026903209662 1.2026e-07 au
i 8.297130657541695 5.1503e-06 deg
node 70.76163434720698 4.0625e-05 deg
peri 257.2559161322744 4.2003e-05 deg
M 308.8282651733746 1.9736e-05 deg
tp 2459392.015893162426
(2021-Jun-26.51589316)		 7.5406e-05 TDB
period 1347.339928420791
3.69		 1.2886e-05
3.528e-08		 d
yr
n .2671931503002021 2.5554e-09 deg/d
Q 3.132706904653832 1.9974e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56748  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:09:27  

Additional Information
 Earth MOID = .653937 au 
 Jupiter MOID = 2.28464 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 15.61   n/a E2021B55  

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

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