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16091 Malchiodi (1999 TO152)
Classification: Main-belt Asteroid          SPK-ID: 2016091
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913705657435912 2.5226e-08  
a 2.348874005490025 6.04e-09 au
q 1.899368658198984 5.7619e-08 au
i 4.846243103997375 3.1318e-06 deg
node 176.8335840220523 3.0822e-05 deg
peri 63.53516658491941 3.2101e-05 deg
M 39.28521427139802 8.2822e-06 deg
tp 2458857.012313009124
(2020-Jan-08.51231301)
3.019e-05 TDB
period 1314.885721632008
3.60
5.0717e-06
1.389e-08
d
yr
n .2737880517503648 1.056e-09 deg/d
Q 2.798379352781066 7.1959e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2537  
   data-arc span      14775 days (40.45 yr)  
   first obs. used      1980-05-18  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44954  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:29:25  

Additional Information
 Earth MOID = .893252 au 
 Jupiter MOID = 2.21948 au 
 T_jup = 3.529 
[ 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 14.5   n/a MPO473982  
rotation period rot_per 20.362 h n/a LCDB (Rev. 2019-August); 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.]

16091 Malchiodi           Discovered 1999 Oct. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Beth Malchiodi mentored a finalist in the 2003 Intel Science Talent Search, a science competition for high school seniors. She teaches at the Brooklyn Technical High School, Brooklyn, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030216/MPCPages.arcLast Updated: 2011-11-22

Alternate Designations
 1999 TO152 = 1980 KA2 = 1987 FF = 1998 KB27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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