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90789 (1994 PP22)
Classification: Main-belt Asteroid          SPK-ID: 2090789
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06733193440671889 3.1958e-08  
a 2.192200127481931 7.3847e-09 au
q 2.044595052291917 7.0115e-08 au
i 3.827223913317901 4.9877e-06 deg
node 3.230481031978789 5.3906e-05 deg
peri 89.96370122799772 6.8412e-05 deg
M 231.340189680735 4.2297e-05 deg
tp 2459424.200650629442
(2021-Jul-28.70065063)
0.00014 TDB
period 1185.54686073371
3.25
5.9905e-06
1.64e-08
d
yr
n .3036573347908017 1.5344e-09 deg/d
Q 2.339805202671945 7.8819e-09 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      10497 days (28.74 yr)  
   first obs. used      1991-11-01  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:14:00  

Additional Information
 Earth MOID = 1.06551 au 
 Jupiter MOID = 2.74735 au 
 T_jup = 3.666 
[ 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 16.0   n/a MPO333562  

90789 (1994 PP22)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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Alternate Designations
 1994 PP22 = 2001 TL116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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