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17899 Mariacristina (1999 FD19)
Classification: Main-belt Asteroid          SPK-ID: 2017899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1070844140184692 2.9743e-08  
a 2.280419919198118 8.2003e-09 au
q 2.036222488434742 6.7597e-08 au
i 4.434892223636326 4.1918e-06 deg
node 349.0492122058195 4.1973e-05 deg
peri 82.35984225957168 4.7055e-05 deg
M 271.9385650240186 2.2444e-05 deg
tp 2459704.183298661793
(2022-May-04.68329866)
7.923e-05 TDB
period 1257.826283985229
3.44
6.7846e-06
1.858e-08
d
yr
n .2862080436571857 1.5438e-09 deg/d
Q 2.524617349961493 9.0784e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1590  
   data-arc span      11286 days (30.90 yr)  
   first obs. used      1990-09-14  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:05:03  

Additional Information
 Earth MOID = 1.05602 au 
 Jupiter MOID = 2.69289 au 
 T_jup = 3.594 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456887.5 (2014-Aug-18.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074127799735439 2.9744e-08  
q 2.034744459366605 6.7632e-08 au
tp 2457190.378961291498
(2015-Jun-16.87896129)
7.3336e-05 TDB
node 349.1104553997369 4.1994e-05 deg
peri 82.48290860927727 4.7036e-05 deg
i 4.435251455728489 4.1903e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1590  
   data-arc span      11286 days (30.90 yr)  
   first obs. used      1990-09-14  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:05:03  

Additional Information
 Jupiter MOID = 2.69289 au 
 T_jup = 3.594 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.846785647995569E-16 -2.000289751091589E-15 -5.707647273560503E-14 -1.815080111622276E-15 -3.67150107200371E-14 -3.974055617566865E-16
q -2.000289751091589E-15 4.574041393928909E-15 3.101294224595003E-13 4.09592719707931E-15 1.314416987935492E-13 9.985725188084464E-16
tp -5.707647273560503E-14 3.101294224595003E-13 5.378122684096022E-9 -2.982357006083136E-12 1.560285780628213E-9 -9.513730874261767E-13
node -1.815080111622276E-15 4.09592719707931E-15 -2.982357006083136E-12 1.763484397811468E-9 -1.758487655461383E-9 -2.15099768341936E-12
peri -3.67150107200371E-14 1.314416987935492E-13 1.560285780628213E-9 -1.758487655461383E-9 2.212384177553703E-9 1.891921139741121E-12
i -3.974055617566865E-16 9.985725188084464E-16 -9.513730874261767E-13 -2.15099768341936E-12 1.891921139741121E-12 1.755843360789343E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.72   n/a E2021B10  

17899 Mariacristina           Discovered 1999 Mar. 22 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Maria Cristina De Sanctis (b. 1967), of the Instituto di Astrofisica Spaziale e Fisica Cosmica, Rome, models the physical properties of cometary nuclei. She is a participant in several space missions to small solar-system bodies.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

Alternate Designations
 1999 FD19 = 1990 RV11 = 1992 GP5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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