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46683 (1997 AK8)
Classification: Main-belt Asteroid          SPK-ID: 2046683
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850852797586524 3.6686e-08  
a 2.405859425732004 8.5656e-09 au
q 1.960570260860405 8.5458e-08 au
i 3.707538679284756 3.4166e-06 deg
node 143.9971859875401 5.4045e-05 deg
peri 63.84076427680363 5.5075e-05 deg
M 136.7403033749083 8.877e-06 deg
tp 2458878.776549345471
(2020-Jan-30.27654935)
3.3295e-05 TDB
period 1363.024928536402
3.73
7.2792e-06
1.993e-08
d
yr
n .2641184269363021 1.4105e-09 deg/d
Q 2.851148590603603 1.0151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      12576 days (34.43 yr)  
   first obs. used      1986-03-12  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55534  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:51:40  

Additional Information
 Earth MOID = .960143 au 
 Jupiter MOID = 2.11085 au 
 T_jup = 3.496 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457264.5 (2015-Aug-30.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845633698376974 3.6648e-08  
q 1.961975229254389 8.5399e-08 au
tp 2457514.578797684493
(2016-May-06.07879768)
3.3575e-05 TDB
node 144.0279357284361 5.4088e-05 deg
peri 63.74225882042182 5.5127e-05 deg
i 3.704964580922615 3.4148e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      12576 days (34.43 yr)  
   first obs. used      1986-03-12  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55534  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:51:40  

Additional Information
 Jupiter MOID = 2.11085 au 
 T_jup = 3.496 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.34304655576372E-15 -3.121450175480085E-15 -1.573101708239005E-13 4.156146858271108E-15 -6.452082152272597E-14 -2.105489572618048E-15
q -3.121450175480085E-15 7.29296026290273E-15 3.515225255900202E-13 -9.280462812968551E-15 1.431479848379441E-13 4.970974559181383E-15
tp -1.573101708239005E-13 3.515225255900202E-13 1.127295377391047E-9 -6.992637721020016E-12 3.66477999942613E-10 -1.619133531910194E-13
node 4.156146858271108E-15 -9.280462812968551E-15 -6.992637721020016E-12 2.925559470037217E-9 -2.921788554596998E-9 3.124275487260427E-11
peri -6.452082152272597E-14 1.431479848379441E-13 3.66477999942613E-10 -2.921788554596998E-9 3.038982876134448E-9 -3.123006136673831E-11
i -2.105489572618048E-15 4.970974559181383E-15 -1.619133531910194E-13 3.124275487260427E-11 -3.123006136673831E-11 1.166089859262078E-11

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 16.08   n/a E2021B10  

46683 (1997 AK8)          Discovered 1997-Jan-02 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AK8 = 1986 EQ3 = 2001 DE54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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