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(2019 GR9)
Classification: Outer Main-belt Asteroid          SPK-ID: 3841088
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458575.5 (2019-Apr-02.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5436757813379224 0.009145  
a 3.695434292491365 0.049126 au
q 1.68631616613817 0.012301 au
i 7.326964141606282 0.03441 deg
node 95.94224122753415 0.32525 deg
peri 189.441733872592 0.86877 deg
M 325.0381564003015 0.9277 deg
tp 2458827.493001057208
(2019-Dec-09.99300106)
3.828 TDB
period 2594.756770245874
7.10
51.741
0.1417
d
yr
n .1387413279456969 0.0027666 deg/d
Q 5.70455241884456 0.075835 au
  Orbit Determination Parameters
   # obs. used (total)      10  
   data-arc span      5 days  
   first obs. used      2019-03-29  
   last obs. used      2019-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .69106  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:08:27  

Additional Information
 Earth MOID = .669173 au 
 Jupiter MOID = .138677 au 
 T_jup = 2.811 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.699   .21023 2 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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