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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334514542050377 5.4032e-08  
a 1.92741687445979 6.6937e-09 au
q 1.670200289703802 1.051e-07 au
i 24.91680743396253 7.5195e-06 deg
node 145.8061667699864 1.0734e-05 deg
peri 257.7533270180421 2.8303e-05 deg
M 290.8772575068672 2.7043e-05 deg
tp 2459584.163742139533
(2022-Jan-04.66374214)
7.3614e-05 TDB
period 977.3765440071128
2.68
5.0915e-06
1.394e-08
d
yr
n .3683329646157132 1.9188e-09 deg/d
Q 2.184633459215777 7.587e-09 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      10362 days (28.37 yr)  
   first obs. used      1993-03-26  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51071  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:00:53  

Additional Information
 Earth MOID = .781659 au 
 Jupiter MOID = 3.17913 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 15.70   n/a E2021B10  

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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