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277854 (2006 HR131)
Classification: Main-belt Asteroid          SPK-ID: 2277854
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511261306807354 5.3698e-08  
a 3.076157819074704 2.9407e-08 au
q 2.611269990514654 1.5747e-07 au
i 9.581003405490081 6.4794e-06 deg
node 173.8998552766265 3.0124e-05 deg
peri 143.2919472691295 3.6276e-05 deg
M 90.81076684307246 2.1057e-05 deg
tp 2458503.397224179895
(2019-Jan-19.89722418)
0.00011362 TDB
period 1970.658386846223
5.40
2.8259e-05
7.737e-08
d
yr
n .1826800638826764 2.6196e-09 deg/d
Q 3.541045647634754 3.3852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      9909 days (27.13 yr)  
   first obs. used      1992-09-27  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54376  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:11:26  

Additional Information
 Earth MOID = 1.60606 au 
 Jupiter MOID = 1.85942 au 
 T_jup = 3.190 
[ 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 MPO503248  

277854 (2006 HR131)          Discovered 2006-Apr-26 by Buie, M. W. at Cerro Tololo
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2006 HR131 = 2008 QE11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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