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90498 (2004 DC71)
Classification: Inner Main-belt Asteroid          SPK-ID: 2090498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1336966829152259 6.1903e-08  
a 1.926897373001607 8.1871e-09 au
q 1.66927758591323 1.1822e-07 au
i 24.91523805857694 7.7912e-06 deg
node 145.8098824570013 1.2237e-05 deg
peri 257.8925213595057 2.9486e-05 deg
M 144.8350713291753 2.7967e-05 deg
tp 2458607.441184883423
(2019-May-03.94118488)
7.5292e-05 TDB
period 976.9814185430936
2.67
6.2266e-06
1.705e-08
d
yr
n .3684819313522295 2.3484e-09 deg/d
Q 2.184517160089985 9.2817e-09 au
  Orbit Determination Parameters
   # obs. used (total)      782  
   data-arc span      9896 days (27.09 yr)  
   first obs. used      1993-03-26  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:32:20  

Additional Information
 Earth MOID = .782021 au 
 Jupiter MOID = 3.17987 au 
 T_jup = 3.794 
[ 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 15.6   n/a MPO453343  

90498 (2004 DC71)          Discovered 2004-Feb-17 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2004 DC71 = 1999 JB137 = 2002 NZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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