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20194 Ilarialocantore (1997 BH9)
Classification: Main-belt Asteroid          SPK-ID: 2020194
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0476813245962017 3.6588e-08  
a 2.908083375931946 1.4423e-08 au
q 2.769422108531317 1.1091e-07 au
i 2.669061813403496 4.2995e-06 deg
node 135.9020000565255 7.2655e-05 deg
peri 332.897229725981 8.3766e-05 deg
M 279.8650611354821 4.2277e-05 deg
tp 2459403.707049652887
(2021-Jul-08.20704965)		 0.00021353 TDB
period 1811.376409988264
4.96		 1.3476e-05
3.69e-08		 d
yr
n .198743893326033 1.4785e-09 deg/d
Q 3.046744643332576 1.5111e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1626  
   data-arc span      13707 days (37.53 yr)  
   first obs. used      1983-05-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:13:06  

Additional Information
 Earth MOID = 1.78646 au 
 Jupiter MOID = 1.99977 au 
 T_jup = 3.281 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457025.5 (2015-Jan-03.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04482872030442585 3.6242e-08  
q 2.779489203252843 1.0958e-07 au
tp 2457583.494272255268
(2016-Jul-13.99427226)		 0.00022688 TDB
node 136.0168798017338 7.2667e-05 deg
peri 331.3079339449138 8.5464e-05 deg
i 2.668486914587213 4.3002e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1626  
   data-arc span      13707 days (37.53 yr)  
   first obs. used      1983-05-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:13:06  

Additional Information
 Jupiter MOID = 1.99977 au 
 T_jup = 3.281 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.313476191136876E-15 -3.941523743580867E-15 1.919211851269928E-12 -1.472801226815239E-15 4.19620164400592E-13 -3.361632123175264E-16
q -3.941523743580867E-15 1.200694176192493E-14 -4.908785513909504E-12 3.926993319521339E-15 -1.102010433889347E-12 1.153402185385328E-15
tp 1.919211851269928E-12 -4.908785513909504E-12 5.147674711274511E-8 3.982859146990839E-12 1.021349747776837E-8 2.673230384662497E-12
node -1.472801226815239E-15 3.926993319521339E-15 3.982859146990839E-12 5.280548837365061E-9 -5.273854315446985E-9 6.025049389425534E-11
peri 4.19620164400592E-13 -1.102010433889347E-12 1.021349747776837E-8 -5.273854315446985E-9 7.304071111953531E-9 -5.967681238789809E-11
i -3.361632123175264E-16 1.153402185385328E-15 2.673230384662497E-12 6.025049389425534E-11 -5.967681238789809E-11 1.849132933204062E-11

[ 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 14.2   n/a MPO309312  

20194 Ilarialocantore           Discovered 1997 Jan. 30 by M. Tombelli and C. Casacci at Cima Ekar.
Ilaria Locantore (b. 1984) is an Italian chemist, who studies the chemical and physical composition of minor planets and meteorites. She is presently working on projects and technologies dedicated to Regenerative Environmental Control and in Situ Resource Utilization for Advanced Life Support in human Space Exploration.
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 2013-09-19Last Updated: 2013-09-23

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Alternate Designations
 1997 BH9 = 1999 NX8 = 1999 QM3 = 2000 UE37 
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