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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 | 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 .1080567573508583 3.0451e-08  
a 2.279134751350769 8.3175e-09 au
q 2.03285884055415 6.8983e-08 au
i 4.433545451415787 4.2608e-06 deg
node 349.0834700936194 4.2555e-05 deg
peri 82.33163359109543 4.7688e-05 deg
M 158.6117854530989 2.2563e-05 deg
tp 2458446.784877489538
(2018-Nov-24.28487749)
7.735e-05 TDB
period 1256.763131026667
3.44
6.8797e-06
1.884e-08
d
yr
n .2864501600280963 1.5681e-09 deg/d
Q 2.525410662147388 9.2163e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1476  
   data-arc span      10869 days (29.76 yr)  
   first obs. used      1990-09-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:16:56  

Additional Information
 Earth MOID = 1.0529 au 
 Jupiter MOID = 2.69361 au 
 T_jup = 3.595 
[ 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 14.7   n/a MPO467900  

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

[ show close-approach data ]
Alternate Designations
 1999 FD19 = 1990 RV11 = 1992 GP5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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