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90497 (2004 DH59)
Classification: Main-belt Asteroid          SPK-ID: 2090497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03453532022939465 4.6871e-08  
a 2.767230828502683 1.582e-08 au
q 2.67166362569169 1.2645e-07 au
i 4.963261412127147 4.1759e-06 deg
node 134.5368507531084 5.9167e-05 deg
peri 115.8902784098408 9.275e-05 deg
M 197.2353180979655 7.2216e-05 deg
tp 2460156.693550741435
(2023-Jul-31.19355074)
0.00033896 TDB
period 1681.382441625966
4.60
1.4419e-05
3.948e-08
d
yr
n .2141095274266486 1.8361e-09 deg/d
Q 2.862798031313676 1.6367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      9423 days (25.80 yr)  
   first obs. used      1995-03-26  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:40:28  

Additional Information
 Earth MOID = 1.66171 au 
 Jupiter MOID = 2.13637 au 
 T_jup = 3.333 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO493506  

90497 (2004 DH59)          Discovered 2004-Feb-23 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2004 DH59 = 1999 AZ28 = 2000 HR39 = 2002 XS61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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