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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04179707685652951 4.1685e-08  
a 2.75724985179682 1.9773e-08 au
q 2.642004867828614 1.1798e-07 au
i 3.454882511653386 5.1145e-06 deg
node 125.8627791385432 8.6299e-05 deg
peri 325.9113834637647 0.00011298 deg
M 210.6399214857089 7.284e-05 deg
tp 2459294.316529732319
(2021-Mar-20.81652973)
0.00034014 TDB
period 1672.293916742525
4.58
1.7989e-05
4.925e-08
d
yr
n .21527316244817 2.3157e-09 deg/d
Q 2.872494835765027 2.0599e-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 = 1.65959 au 
 Jupiter MOID = 2.19682 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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