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249044 Barrymarshall (2007 TO72)
Classification: Main-belt Asteroid          SPK-ID: 2249044
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 .2121862713583166 4.0659e-08  
a 2.211839026897468 1.3101e-08 au
q 1.742517150935287 9.0743e-08 au
i 4.27361564258925 5.4481e-06 deg
node 220.9519360427601 6.2901e-05 deg
peri 91.69852359230646 6.4647e-05 deg
M 2.199584004631471 1.8079e-05 deg
tp 2458993.158805103515
(2020-May-23.65880510)
6.0289e-05 TDB
period 1201.513630381908
3.29
1.0675e-05
2.923e-08
d
yr
n .2996220691109198 2.6621e-09 deg/d
Q 2.681160902859649 1.5881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7302 days (19.99 yr)  
   first obs. used      2000-08-01  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 17:00:35  

Additional Information
 Earth MOID = .735107 au 
 Jupiter MOID = 2.60912 au 
 T_jup = 3.623 
[ 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 17.2   n/a MPO433632  
diameter diameter 1.140 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249044 Barrymarshall           Discovered 2007 Oct. 15 by V. S. Casulli at Vallemare Borbona.
Barry J. Marshall (b. 1951) is an Australian microbiologist who received the 2005 Nobel Prize in Physiology or Medicine for his discovery of the bacterium Helicobacter pylori and its role in gastritis and peptic ulcer disease.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-04-22Last Updated: 2016-04-25

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Alternate Designations
 2007 TO72 = 2006 DB155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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