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90180 (2003 AT28)
Classification: Main-belt Asteroid          SPK-ID: 2090180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08018407775320367 5.2691e-08  
a 2.838757023552581 2.0331e-08 au
q 2.611133909653587 1.4328e-07 au
i 1.918841333428648 5.1124e-06 deg
node 119.7734530521011 0.00015215 deg
peri 81.49456202725428 0.00015532 deg
M 151.7614025431486 3.1262e-05 deg
tp 2458264.039276475616
(2018-May-25.53927648)
0.00015168 TDB
period 1746.991369517675
4.78
1.8768e-05
5.138e-08
d
yr
n .2060685623761221 2.2138e-09 deg/d
Q 3.066380137451574 2.1962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      10529 days (28.83 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57614  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:12:00  

Additional Information
 Earth MOID = 1.6089 au 
 Jupiter MOID = 1.89008 au 
 T_jup = 3.305 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO493504  

90180 (2003 AT28)          Discovered 2003-Jan-04 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2003 AT28 = 2001 UC140 = 2001 WZ102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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