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JPL Small-Body Database Browser
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71324 (2000 AJ84)
Classification: Main-belt Asteroid          SPK-ID: 2071324
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04157727382773537 4.1943e-08  
a 3.037715977206735 2.0825e-08 au
q 2.911416028211524 1.2821e-07 au
i 4.023760178428764 5.0727e-06 deg
node 202.2676702931137 5.3259e-05 deg
peri 323.7960157892886 7.3947e-05 deg
M 176.8909436312709 5.1413e-05 deg
tp 2457650.284144390244
(2016-Sep-18.78414439)
0.00027425 TDB
period 1933.833926131193
5.29
1.9886e-05
5.444e-08
d
yr
n .1861586949817413 1.9143e-09 deg/d
Q 3.164015926201947 2.1691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      8562 days (23.44 yr)  
   first obs. used      1996-05-19  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55642  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:26:25  

Additional Information
 Earth MOID = 1.91915 au 
 Jupiter MOID = 1.80954 au 
 T_jup = 3.236 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456799.5 (2014-May-22.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04017541374109445 4.2877e-08  
q 2.916537606621868 1.3091e-07 au
tp 2457668.532751304329
(2016-Oct-07.03275130)
0.00027605 TDB
node 202.3127404651964 5.335e-05 deg
peri 327.3539929721594 7.4202e-05 deg
i 4.017844521012956 5.0711e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      8562 days (23.44 yr)  
   first obs. used      1996-05-19  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55642  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:26:25  

Additional Information
 Jupiter MOID = 1.80954 au 
 T_jup = 3.236 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.83842592323141E-15 -5.546947825911998E-15 2.95157059963686E-12 1.809639298622062E-15 5.678709649321326E-13 -3.172371295507907E-16
q -5.546947825911998E-15 1.713699982933804E-14 -8.095946170720499E-12 -5.904202075605259E-15 -1.594954901982242E-12 1.573019563743963E-15
tp 2.95157059963686E-12 -8.095946170720499E-12 7.620324842573808E-8 -8.577352691375693E-12 1.424238869991108E-8 4.920497955179453E-12
node 1.809639298622062E-15 -5.904202075605259E-15 -8.577352691375693E-12 2.846266800008906E-9 -2.840649923723978E-9 -2.11011283863515E-11
peri 5.678709649321326E-13 -1.594954901982242E-12 1.424238869991108E-8 -2.840649923723978E-9 5.505961398215113E-9 2.191563312116449E-11
i -3.172371295507907E-16 1.573019563743963E-15 4.920497955179453E-12 -2.11011283863515E-11 2.191563312116449E-11 2.571600003672004E-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 14.3   n/a MPO412621  
diameter diameter 8.716 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71324 (2000 AJ84)          Discovered 2000-Jan-05 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 AJ84 = 1996 KG9 = 2001 FU46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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