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90488 (2004 DX12)
Classification: Main-belt Asteroid          SPK-ID: 2090488
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364137993272061 6.7822e-08  
a 2.682190270113362 1.9244e-08 au
q 2.316302504848733 1.8778e-07 au
i 14.25555435925346 6.861e-06 deg
node 154.0104702584057 2.2042e-05 deg
peri 18.40403290225122 2.8009e-05 deg
M 339.7370485427955 1.9883e-05 deg
tp 2459486.809409838527
(2021-Sep-29.30940984)
8.9113e-05 TDB
period 1604.474432588658
4.39
1.7268e-05
4.728e-08
d
yr
n .2243725376285219 2.4148e-09 deg/d
Q 3.048078035377991 2.187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      9467 days (25.92 yr)  
   first obs. used      1995-03-08  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54658  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:40:25  

Additional Information
 Earth MOID = 1.32795 au 
 Jupiter MOID = 1.93206 au 
 T_jup = 3.319 
[ 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 16.16   n/a MPCxxxxx  

90488 (2004 DX12)          Discovered 2004-Feb-16 by CSS at Catalina
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2004 DX12 = 2002 TF372 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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