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268485 (2005 XM76)
Classification: Main-belt Asteroid          SPK-ID: 2268485
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 .1144118498034891 5.1532e-08  
a 2.749785426003747 2.0569e-08 au
q 2.435177388851983 1.444e-07 au
i 10.05034542535707 5.8416e-06 deg
node 104.0258038785618 4.7428e-05 deg
peri .8548250104531017 6.3683e-05 deg
M 64.69224795269474 4.078e-05 deg
tp 2458701.207125532777
(2019-Aug-05.70712553)
0.0001878 TDB
period 1665.507664643029
4.56
1.8687e-05
5.116e-08
d
yr
n .2161503111888466 2.4252e-09 deg/d
Q 3.064393463155511 2.2922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      10371 days (28.39 yr)  
   first obs. used      1991-12-27  
   last obs. used      2020-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:12:39  

Additional Information
 Earth MOID = 1.45204 au 
 Jupiter MOID = 2.06927 au 
 T_jup = 3.314 
[ 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 16.2   n/a MPO454994  

268485 (2005 XM76)          Discovered 2005-Dec-07 by Spacewatch at Kitt Peak
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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