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268725 (2006 HQ135)
Classification: Main-belt Asteroid          SPK-ID: 2268725
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633343029830323 6.4626e-08  
a 3.095847520996584 4.208e-08 au
q 2.590189424012858 2.0115e-07 au
i 3.096715800907723 9.4043e-06 deg
node 178.6991435009629 0.00013202 deg
peri 319.3320427263924 0.00013633 deg
M 256.4779549286832 3.2565e-05 deg
tp 2459572.634468052326
(2021-Dec-24.13446805)
0.0001857 TDB
period 1989.609153846842
5.45
4.0565e-05
1.111e-07
d
yr
n .1809400601640539 3.6891e-09 deg/d
Q 3.601505617980309 4.8953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      6237 days (17.08 yr)  
   first obs. used      2003-09-26  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:11:18  

Additional Information
 Earth MOID = 1.60463 au 
 Jupiter MOID = 1.44065 au 
 T_jup = 3.201 
[ 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 16.5   n/a MPO454997  

268725 (2006 HQ135)          Discovered 2006-Apr-26 by Buie, M. W. at Cerro Tololo
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2006 HQ135 = 2003 SB375 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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