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90494 (2004 DY40)
Classification: Main-belt Asteroid          SPK-ID: 2090494
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375452416288593 3.7453e-08  
a 2.312305772355939 1.1265e-08 au
q 1.994259116177435 8.5017e-08 au
i 4.084081482301248 4.1553e-06 deg
node 78.72818614424727 7.7929e-05 deg
peri 186.2395463845523 8.3388e-05 deg
M 258.5780384385146 3.3085e-05 deg
tp 2459758.322714010047
(2022-Jun-27.82271401)
0.00011877 TDB
period 1284.299524858344
3.52
9.3855e-06
2.57e-08
d
yr
n .2803084428764445 2.0484e-09 deg/d
Q 2.630352428534442 1.2815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      15879 days (43.47 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56398  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:38:18  

Additional Information
 Earth MOID = .978513 au 
 Jupiter MOID = 2.43325 au 
 T_jup = 3.568 
[ 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 16.32   n/a MPCxxxxx  

90494 (2004 DY40)          Discovered 2004-Feb-18 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2004 DY40 = 1998 SN112 = 4275 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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