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46684 (1997 AX8)
Classification: Main-belt Asteroid          SPK-ID: 2046684
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469926215379813 4.3058e-08  
a 2.250791030040028 7.5929e-09 au
q 1.919941356000271 9.5819e-08 au
i 4.953073330353925 3.5578e-06 deg
node 136.0619574805855 5.5378e-05 deg
peri 219.0051023176322 5.6886e-05 deg
M 208.2834053691867 1.3352e-05 deg
tp 2459916.294614830620
(2022-Dec-02.79461483)
4.6207e-05 TDB
period 1233.392179638458
3.38
6.2411e-06
1.709e-08
d
yr
n .2918779654542047 1.4769e-09 deg/d
Q 2.581640704079785 8.709e-09 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      8922 days (24.43 yr)  
   first obs. used      1997-01-02  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47777  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:25:11  

Additional Information
 Earth MOID = .916793 au 
 Jupiter MOID = 2.84515 au 
 T_jup = 3.608 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457451.5 (2016-Mar-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477152157366369 4.3167e-08  
q 1.918323567466645 9.6145e-08 au
tp 2457448.517622927598
(2016-Mar-01.01762293)
4.4959e-05 TDB
node 136.1291126203497 5.5385e-05 deg
peri 218.7614032831566 5.687e-05 deg
i 4.95297172048455 3.5588e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      8922 days (24.43 yr)  
   first obs. used      1997-01-02  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47777  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:25:11  

Additional Information
 Jupiter MOID = 2.84515 au 
 T_jup = 3.608 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.863427560687879E-15 -4.141385433509014E-15 7.347021019740002E-13 9.727815731944449E-15 1.862018370530508E-13 -2.808534357483575E-15
q -4.141385433509014E-15 9.243770560178895E-15 -1.6720175152526E-12 -2.098483397157116E-14 -4.268530998521685E-13 6.328700191823022E-15
tp 7.347021019740002E-13 -1.6720175152526E-12 2.021302057954318E-9 1.143171673745537E-11 6.044314923627025E-10 -2.403850378006158E-12
node 9.727815731944449E-15 -2.098483397157116E-14 1.143171673745537E-11 3.067513542059501E-9 -3.052669440926831E-9 4.70263800338785E-11
peri 1.862018370530508E-13 -4.268530998521685E-13 6.044314923627025E-10 -3.052669440926831E-9 3.234235164480892E-9 -4.757926082511305E-11
i -2.808534357483575E-15 6.328700191823022E-15 -2.403850378006158E-12 4.70263800338785E-11 -4.757926082511305E-11 1.266498120372206E-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 16.15   n/a MPCxxxxx  
diameter diameter 1.784 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.242   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46684 (1997 AX8)          Discovered 1997-Jan-02 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AX8 = 2000 AO80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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