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9778 Isabelallende (1994 PA19)
Classification: Main-belt Asteroid          SPK-ID: 2009778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1880862630051867 4.3191e-08  
a 2.426641598419093 9.4772e-09 au
q 1.970223648519513 1.0487e-07 au
i 1.811497472162185 4.724e-06 deg
node 189.5277688545214 0.00010768 deg
peri 191.1277362377056 0.00010813 deg
M 158.8316160488277 8.9605e-06 deg
tp 2457991.326029450866
(2017-Aug-25.82602945)
3.3744e-05 TDB
period 1380.724032489039
3.78
8.0886e-06
2.215e-08
d
yr
n .2607327688437682 1.5274e-09 deg/d
Q 2.883059548318674 1.126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1402  
   data-arc span      14475 days (39.63 yr)  
   first obs. used      1979-09-23  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:44:58  

Additional Information
 Earth MOID = .972125 au 
 Jupiter MOID = 2.57275 au 
 T_jup = 3.485 
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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 MPO337340  

9778 Isabelallende           Discovered 1994 Aug. 12 by E. W. Elst at the European Southern Observatory.
The Chilean writer Isabel Allende (b. 1942) moved to Venezuela in 1973 and started writing in 1981. Her best-known works include La casa de los espiritos (1982) and Eva Luna (1987), written in a style of magic realism.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021120/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1994 PA19 = 1979 SF7 = 1988 AM = 1997 LA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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