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173126 (1994 AY8)
Classification: Main-belt Asteroid          SPK-ID: 2173126
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04216101111406347 4.1723e-08  
a 2.756673656308384 1.9557e-08 au
q 2.64044950764692 1.1809e-07 au
i 3.455203839947842 5.1152e-06 deg
node 125.8629013583798 8.6291e-05 deg
peri 326.0188432447621 0.00011252 deg
M 296.6898283993402 7.2364e-05 deg
tp 2459294.500081480630
(2021-Mar-21.00008148)
0.00033685 TDB
period 1671.769743424986
4.58
1.779e-05
4.871e-08
d
yr
n .215340660049548 2.2916e-09 deg/d
Q 2.872897804969848 2.0381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      9357 days (25.62 yr)  
   first obs. used      1994-01-08  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61193  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:57  

Additional Information
 Earth MOID = 1.658 au 
 Jupiter MOID = 2.19538 au 
 T_jup = 3.339 
[ 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 16.2   n/a MPO417932  

173126 (1994 AY8)          Discovered 1994-Jan-08 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1994 AY8 = 2005 NF40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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