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4260 Yanai (1989 AX)
Classification: Main-belt Asteroid          SPK-ID: 2004260
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06075964840208824 3.2213e-08  
a 2.848528008165264 1.1934e-08 au
q 2.675452447925642 9.0926e-08 au
i 3.267215102411128 3.4014e-06 deg
node 90.94591696078308 6.8849e-05 deg
peri 324.5617579588341 7.587e-05 deg
M 239.3981111433845 3.2662e-05 deg
tp 2459588.775520633668
(2022-Jan-09.27552063)
0.00016029 TDB
period 1756.018827200181
4.81
1.1036e-05
3.021e-08
d
yr
n .2050091914868524 1.2884e-09 deg/d
Q 3.021603568404887 1.266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2331  
   data-arc span      32287 days (88.40 yr)  
   first obs. used      1932-03-14  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:13:55  

Additional Information
 Earth MOID = 1.68791 au 
 Jupiter MOID = 2.19265 au 
 T_jup = 3.301 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3   n/a MPO473824  

4260 Yanai (1989 AX)          Discovered 1989-Jan-04 by Ueda and Kaneda at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 AX = 1932 ET = 1978 WT14 = 1982 PO = 1985 FX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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