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23466 (1990 DU4)
Classification: Main-belt Asteroid          SPK-ID: 2023466
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143245822647864 4.6685e-08  
a 2.339063131741894 1.5881e-08 AU
q 2.004002109210237 1.0942e-07 AU
i 2.643455475838247 6.9046e-06 deg
node 186.6324888577196 0.00010816 deg
peri 270.2197983146664 0.00011125 deg
M 30.09529796715778 2.7238e-05 deg
tp 2456891.266087552141
(2014-Aug-21.76608755)
9.8555e-05 JED
period 1306.656226635227
3.58
1.3307e-05
3.643e-08
d
yr
n .2755124053761537 2.8059e-09 deg/d
Q 2.674124154273551 1.8156e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      9633 days (26.37 yr)  
   first obs. used      1988-09-03  
   last obs. used      2015-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5118  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:04:55  

Additional Information
 Earth MOID = 1.02266 AU 
 T_jup = 3.550 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO267794  

23466 (1990 DU4)          Discovered 1990-Feb-28 by Debehogne, H. at La Silla (809)
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 DU4 = 1988 RQ14 = 1990 GD1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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