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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913705655763075 2.5192e-08  
a 2.348874005544308 6.0332e-09 au
q 1.899368658635807 5.7522e-08 au
i 4.846243111829708 3.1317e-06 deg
node 176.8335850119203 3.0642e-05 deg
peri 63.53516556644136 3.1926e-05 deg
M 39.28521427755248 8.282e-06 deg
tp 2458857.012312981671
(2020-Jan-08.51231298)
3.0189e-05 TDB
period 1314.88572167759
3.60
5.0661e-06
1.387e-08
d
yr
n .2737880517408737 1.0549e-09 deg/d
Q 2.79837935245281 7.1878e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2548  
   data-arc span      14783 days (40.47 yr)  
   first obs. used      1980-05-18  
   last obs. used      2020-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:01:43  

Additional Information
 Earth MOID = .893252 au 
 Jupiter MOID = 2.21948 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457334.5 (2015-Nov-08.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910472245273327 2.5242e-08  
q 1.900198788648334 5.7614e-08 au
tp 2457541.645072967084
(2016-Jun-02.14507297)
3.0125e-05 TDB
node 176.8664934781255 3.0642e-05 deg
peri 63.29782808390868 3.1927e-05 deg
i 4.84572365715616 3.1317e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2548  
   data-arc span      14783 days (40.47 yr)  
   first obs. used      1980-05-18  
   last obs. used      2020-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:01:43  

Additional Information
 Jupiter MOID = 2.21948 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.371630845603121E-16 -1.449826905086308E-15 -5.633535670199314E-14 2.448054678541211E-15 -4.562247035246637E-14 -4.027534939034328E-16
q -1.449826905086308E-15 3.31934529323859E-15 1.245444891267468E-13 -5.737824708464292E-15 1.02279597562691E-13 8.808129305816309E-16
tp -5.633535670199314E-14 1.245444891267468E-13 9.075246894085145E-10 -8.534602256882984E-12 2.733525011548463E-10 -4.570658581944823E-13
node 2.448054678541211E-15 -5.737824708464292E-15 -8.534602256882984E-12 9.389243249048941E-10 -9.378499198348382E-10 -1.912541387133178E-11
peri -4.562247035246637E-14 1.02279597562691E-13 2.733525011548463E-10 -9.378499198348382E-10 1.019309390952771E-9 1.894358419164074E-11
i -4.027534939034328E-16 8.808129305816309E-16 -4.570658581944823E-13 -1.912541387133178E-11 1.894358419164074E-11 9.807793135863036E-12

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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

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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