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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850852798133733 3.6686e-08  
a 2.405859425779523 8.5605e-09 au
q 1.960570260767479 8.5457e-08 au
i 3.707538682256517 3.4157e-06 deg
node 143.9971859161204 5.4005e-05 deg
peri 63.84076415630707 5.503e-05 deg
M 136.7403034955734 8.8647e-06 deg
tp 2458878.776548873273
(2020-Jan-30.27654887)
3.3243e-05 TDB
period 1363.024928576784
3.73
7.2749e-06
1.992e-08
d
yr
n .264118426928477 1.4097e-09 deg/d
Q 2.851148590791568 1.0145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      12902 days (35.32 yr)  
   first obs. used      1986-03-12  
   last obs. used      2021-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:56:04  

Additional Information
 Earth MOID = .960143 au 
 Jupiter MOID = 2.11085 au 
 T_jup = 3.496 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457271.5 (2015-Sep-06.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845619320472606 3.6648e-08  
q 1.96200786438703 8.5403e-08 au
tp 2457514.567756785605
(2016-May-06.06775679)
3.3509e-05 TDB
node 144.0278843193953 5.4048e-05 deg
peri 63.73741480526319 5.5082e-05 deg
i 3.704972729658071 3.414e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      12902 days (35.32 yr)  
   first obs. used      1986-03-12  
   last obs. used      2021-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:56:04  

Additional Information
 Jupiter MOID = 2.11085 au 
 T_jup = 3.496 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.343080454517479E-15 -3.121633943646116E-15 -1.568450620981557E-13 4.138651626076505E-15 -6.433733517464619E-14 -2.105172767790002E-15
q -3.121633943646116E-15 7.293592526810384E-15 3.508978395861339E-13 -9.247518889886431E-15 1.428943805667874E-13 4.970234242520199E-15
tp -1.568450620981557E-13 3.508978395861339E-13 1.122839132960376E-9 -6.94194483282185E-12 3.647949793114322E-10 -1.607891566933689E-13
node 4.138651626076505E-15 -9.247518889886431E-15 -6.94194483282185E-12 2.921172286255569E-9 -2.917391672094764E-9 3.139984441931833E-11
peri -6.433733517464619E-14 1.428943805667874E-13 3.647949793114322E-10 -2.917391672094764E-9 3.033978926688187E-9 -3.138640849118603E-11
i -2.105172767790002E-15 4.970234242520199E-15 -1.607891566933689E-13 3.139984441931833E-11 -3.138640849118603E-11 1.16553890125693E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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

Alternate Designations
 1997 AK8 = 1986 EQ3 = 2001 DE54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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