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43946 (1997 AR6)
Classification: Main-belt Asteroid          SPK-ID: 2043946
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1188061527402139 3.7514e-08  
a 2.198553507398139 6.2404e-09 au
q 1.937351823590663 8.2182e-08 au
i 7.860418163735106 3.7727e-06 deg
node 270.8823545733935 2.7479e-05 deg
peri 197.4349493275223 3.1794e-05 deg
M 166.5610257537446 1.5092e-05 deg
tp 2458845.597336036501
(2019-Dec-28.09733604)
4.9777e-05 TDB
period 1190.70447680886
3.26
5.0696e-06
1.388e-08
d
yr
n .3023420227366708 1.2873e-09 deg/d
Q 2.459755191205616 6.9818e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1355  
   data-arc span      12273 days (33.60 yr)  
   first obs. used      1986-11-04  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:24:31  

Additional Information
 Earth MOID = .955899 au 
 Jupiter MOID = 2.66338 au 
 T_jup = 3.645 
[ 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 15.36   n/a E2021B10  
diameter diameter 2.002 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.441   0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43946 (1997 AR6)          Discovered 1997-Jan-07 by Urata, T. at Oohira
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AR6 = 1986 VU2 = 1999 TE13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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