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90175 (2003 AY21)
Classification: Main-belt Asteroid          SPK-ID: 2090175
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08474136417130433 6.2055e-08  
a 2.845318286355097 2.6015e-08 au
q 2.604202133267808 1.8458e-07 au
i 8.832662532174982 7.8657e-06 deg
node 316.5942718191664 3.9075e-05 deg
peri 265.3292939030401 6.7478e-05 deg
M 122.3003864607328 6.0814e-05 deg
tp 2458404.947519280575
(2018-Oct-13.44751928)
0.00029197 TDB
period 1753.051640011214
4.80
2.4043e-05
6.583e-08
d
yr
n .2053561867679478 2.8164e-09 deg/d
Q 3.086434439442386 2.822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7300 days (19.99 yr)  
   first obs. used      2000-08-04  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59626  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:11:42  

Additional Information
 Earth MOID = 1.61502 au 
 Jupiter MOID = 1.99056 au 
 T_jup = 3.285 
[ 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 15.1   n/a MPO436403  

90175 (2003 AY21)          Discovered 2003-Jan-05 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2003 AY21 = 2004 GD74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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