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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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5436756723711932 0.009145  
a 3.69543314555438 0.049126 au
q 1.686316045442309 0.012301 au
i 7.326964282298214 0.03441 deg
node 95.9422569574964 0.32525 deg
peri 189.4417311680946 0.86877 deg
M 325.0381366398185 0.9277 deg
tp 2458827.493026168877
(2019-Dec-09.99302617)
3.828 TDB
period 2594.755562259732
7.10
51.741
0.1417
d
yr
n .1387413925365986 0.0027666 deg/d
Q 5.704550245666451 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .69106  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-16 06:30:19  

Additional Information
 Earth MOID = .669173 au 
 Jupiter MOID = .138676 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 1 autocmod 2.6q
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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