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136291 (2004 AV9)
Classification: Main-belt Asteroid          SPK-ID: 2136291
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1003278322712172 4.6656e-08  
a 3.086878753102817 3.2055e-08 au
q 2.777178899319933 1.4373e-07 au
i .3103548343469054 4.7228e-06 deg
node 248.7877733931626 0.0010934 deg
peri 314.2352683446976 0.0010938 deg
M 293.7983315493108 3.0929e-05 deg
tp 2459364.787457217902
(2021-May-30.28745722)
0.00017273 TDB
period 1980.969478074827
5.42
3.0856e-05
8.448e-08
d
yr
n .1817292007698474 2.8307e-09 deg/d
Q 3.396578606885701 3.5271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      6701 days (18.35 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:39:32  

Additional Information
 Earth MOID = 1.77371 au 
 Jupiter MOID = 1.5642 au 
 T_jup = 3.218 
[ 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 15.4   n/a MPO417719  
diameter diameter 4.722 km 0.329 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136291 (2004 AV9)          Discovered 2004-Jan-15 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2004 AV9 = 2001 SV328 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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