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90909 (1997 GD3)
Classification: Main-belt Asteroid          SPK-ID: 2090909
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1281695009184205 3.1167e-08  
a 2.965324676105831 1.8315e-08 au
q 2.58526049230827 9.091e-08 au
i 1.632486289115094 3.6067e-06 deg
node 355.8039891843488 0.00015672 deg
peri 19.33126171176523 0.00015807 deg
M 77.51562692721116 1.9076e-05 deg
tp 2458994.900126482980
(2020-May-25.40012648)
9.9489e-05 TDB
period 1865.120107999476
5.11
1.7279e-05
4.731e-08
d
yr
n .1930170601110162 1.7882e-09 deg/d
Q 3.345388859903392 2.0662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      8734 days (23.91 yr)  
   first obs. used      1997-03-05  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52643  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:42:32  

Additional Information
 Earth MOID = 1.58552 au 
 Jupiter MOID = 2.12379 au 
 T_jup = 3.251 
[ 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 15.76   n/a E2021B10  

90909 (1997 GD3)          Discovered 1997-Apr-07 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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