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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08450866770277597 6.2022e-08  
a 2.845690615920081 2.2296e-08 au
q 2.605205093274383 1.8332e-07 au
i 8.832730487290135 6.2097e-06 deg
node 316.5948711878698 3.8726e-05 deg
peri 265.1812772580223 6.6728e-05 deg
M 203.7941297328721 6.1347e-05 deg
tp 2460157.307524992961
(2023-Jul-31.80752499)
0.0003047 TDB
period 1753.39574965451
4.80
2.0607e-05
5.642e-08
d
yr
n .2053158849455034 2.413e-09 deg/d
Q 3.086176138565778 2.4181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      7438 days (20.36 yr)  
   first obs. used      2000-08-04  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55572  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:38:55  

Additional Information
 Earth MOID = 1.61656 au 
 Jupiter MOID = 1.98841 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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