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236988 Robberto (2008 QE12)
Classification: Main-belt Asteroid          SPK-ID: 2236988
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008050452298685 1.4715e-07  
a 2.427440484500893 5.8806e-08 AU
q 1.939998188217878 3.3609e-07 AU
i 1.967503403362754 1.2516e-05 deg
node 335.8630056497856 0.0002744 deg
peri 53.43537065169702 0.00028327 deg
M 150.1600314343015 4.0613e-05 deg
tp 2456224.300120953827
(2012-Oct-23.80012095)
0.00016921 JED
period 1381.405920572004
3.78
5.0198e-05
1.374e-07
d
yr
n .2606040662189528 9.4699e-09 deg/d
Q 2.914882780783909 7.0615e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      3020 days (8.27 yr)  
   first obs. used      2005-12-05  
   last obs. used      2014-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62108  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 14:04:29  

Additional Information
 Earth MOID = .944482 AU 
 T_jup = 3.481 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5 mag n/a MPO251660  

236988 Robberto           Discovered 2008 Aug. 25 at the Observatorio de La Sagra.
Massimo Robberto (b. 1958), an astronomer at the Space Telescope Science Institute in Baltimore, Maryland, is leader of the Hubble Space Telescope Treasury Program on the Orion Nebula Cluster, one of the largest Hubble program dedicated to star formation.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100923/MPCPages.arcLast Updated: 2010-12-06

[ show close-approach data ]
Alternate Designations
 2008 QE12 = 2006 CK24 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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