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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1972-Oct-11 02:52 < 00:01 Iris 0.00381507750701918 0.00381033518270421 0.00381982010691175 4.14337057291703 4.14337020923996 2441601.619647498 0.365360855715981 241.974400547183 37.6587546319394 12.5095993993433 4005.55273089414 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 09:24:37 2021-Apr-13 09:24
2002-Jun-03 03:35 < 00:01 Eunom 0.029745133906938 0.029744253442029 0.0297460143861367 3.18221586834512 3.18221572004266 2452428.649402516 0.685324681855706 66.0502099309488 33.0396747736043 -59.7467885292362 120988.544035748 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 09:24:37 2021-Apr-13 09:24
2073-Jul-08 07:17 00:03 Thisb 0.00763899720514598 0.00763721001993144 0.00764079026913926 3.94044179071525 3.94044156420206 2478396.803162661 2.58476862137528 379.867530256534 38.049470942374 77.6732858197814 29328.9735371612 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 09:24:37 2021-Apr-13 09:24

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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