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20796 Philipmunoz (2000 SN169)
Classification: Main-belt Asteroid          SPK-ID: 2020796
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09222083770887229 3.9032e-08  
a 2.893626899430414 1.4074e-08 au
q 2.626774202748015 1.123e-07 au
i 2.277704174321193 3.765e-06 deg
node 280.6068395610474 0.00010632 deg
peri 201.4800554186093 0.00010847 deg
M 190.2625530315355 2.2751e-05 deg
tp 2459448.190646749527
(2021-Aug-21.69064675)
0.00011644 TDB
period 1797.886313716778
4.92
1.3117e-05
3.591e-08
d
yr
n .200235130137773 1.4608e-09 deg/d
Q 3.160479596112813 1.5372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1607  
   data-arc span      10140 days (27.76 yr)  
   first obs. used      1992-01-02  
   last obs. used      2019-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55001  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:25:06  

Additional Information
 Earth MOID = 1.64306 au 
 Jupiter MOID = 1.90272 au 
 T_jup = 3.282 
[ 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 14.1   n/a MPO452464  
diameter diameter 4.164 km 0.655 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 272.799 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.256   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20796 Philipmunoz           Discovered 2000 Sept. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Philip Munoz (b. 1986) was awarded first place and Best in Category in the 2004 Intel International Science and Engineering Fair for his engineering team project. He also received the Achievement Award and the EU Contest for Young Scientists Award. He attends the School of Science and Technology, Beaverton, Oregon, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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