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120308 Deebradel (2004 KN12)
Classification: Main-belt Asteroid          SPK-ID: 2120308
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06656291009568321 3.6002e-08  
a 2.840048146324455 1.65e-08 au
q 2.651006276893248 9.9487e-08 au
i 11.89752929903542 4.8072e-06 deg
node 178.0898907530251 1.9734e-05 deg
peri 127.6918988043824 4.1987e-05 deg
M 108.4505266360091 3.7452e-05 deg
tp 2458673.857207137104
(2019-Jul-09.35720714)
0.00018113 TDB
period 1748.183354304637
4.79
1.5234e-05
4.171e-08
d
yr
n .2059280561810376 1.7945e-09 deg/d
Q 3.029090015755661 1.7598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      2000-06-04  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:40  

Additional Information
 Earth MOID = 1.65394 au 
 Jupiter MOID = 2.1786 au 
 T_jup = 3.275 
[ 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 15.5   n/a MPO439778  
diameter diameter 4.228 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120308 Deebradel           Discovered 2004 May 22 by the Catalina Sky Survey.
Deanna Bradel (b. 1964) is a Financial Manager for the NASA OSIRIS-REx Asteroid Sample Return Mission. Prior to this role, she provided financial support as a Sr. Resources Analyst for the Aqua mission, and ICESat and MESSENGER mission instrument teams.
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 2016-05-21Last Updated: 2016-05-24

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