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JPL Small-Body Database Browser
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268309 (2005 QR136)
Classification: Main-belt Asteroid          SPK-ID: 2268309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1300382372152685 6.2265e-08  
a 2.459793379994775 1.9876e-08 au
q 2.139926184946467 1.4501e-07 au
i 3.153018261344319 4.9576e-06 deg
node 124.0503544144261 0.00014694 deg
peri 16.14270793879912 0.00015234 deg
M 56.82811422439471 4.1323e-05 deg
tp 2458378.062956853466
(2018-Sep-16.56295685)
0.00016006 TDB
period 1409.114777529907
3.86
1.7079e-05
4.676e-08
d
yr
n .2554795434272986 3.0966e-09 deg/d
Q 2.779660575043083 2.2461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      5965 days (16.33 yr)  
   first obs. used      2003-01-09  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69421  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:51:29  

Additional Information
 Earth MOID = 1.15373 au 
 Jupiter MOID = 2.237 au 
 T_jup = 3.477 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO470847  

268309 (2005 QR136)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2005 QR136 = 2006 WE178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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