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268180 (2004 XK92)
Classification: Main-belt Asteroid          SPK-ID: 2268180
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206924057225097 5.8362e-08  
a 3.076634653530324 3.2738e-08 au
q 2.705308215666509 1.8831e-07 au
i 11.68548684374197 6.8868e-06 deg
node 61.76742882597038 3.4646e-05 deg
peri 8.656368554375907 4.6325e-05 deg
M 313.826830202919 2.9481e-05 deg
tp 2459253.313061090567
(2021-Feb-07.81306109)
0.00016173 TDB
period 1971.1166114993
5.40
3.1461e-05
8.614e-08
d
yr
n .1826375963247407 2.9151e-09 deg/d
Q 3.447961091394139 3.6689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5903 days (16.16 yr)  
   first obs. used      2004-09-16  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60063  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:22:04  

Additional Information
 Earth MOID = 1.72009 au 
 Jupiter MOID = 1.87672 au 
 T_jup = 3.186 
[ 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 MPO454993  

268180 (2004 XK92)          Discovered 2004-Dec-11 by LINEAR at Socorro
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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