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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076122496358279 3.0454e-08  
a 2.280024198456748 8.2941e-09 au
q 2.034665665236692 6.9032e-08 au
i 4.433610891766373 4.2344e-06 deg
node 349.0663495415726 4.2528e-05 deg
peri 82.32120041201438 4.7666e-05 deg
M 215.9114048659758 2.2753e-05 deg
tp 2459703.809024545759
(2022-May-04.30902455)
8.0906e-05 TDB
period 1257.498892732892
3.44
6.8616e-06
1.879e-08
d
yr
n .286282558243547 1.5621e-09 deg/d
Q 2.525382731676804 9.1866e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1501  
   data-arc span      10903 days (29.85 yr)  
   first obs. used      1990-09-14  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:18:12  

Additional Information
 Earth MOID = 1.05416 au 
 Jupiter MOID = 2.69289 au 
 T_jup = 3.594 
[ 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 14.72   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

[ 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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