Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04128353730288509 4.1791e-08  
a 3.038856602486923 2.0597e-08 au
q 2.913401852580035 1.2793e-07 au
i 4.02301861272735 5.0676e-06 deg
node 202.2676613860917 5.2391e-05 deg
peri 323.4112586791482 7.3351e-05 deg
M 251.727178851622 5.1729e-05 deg
tp 2459582.443322968827
(2022-Jan-02.94332297)
0.00027957 TDB
period 1934.923224930824
5.30
1.9672e-05
5.386e-08
d
yr
n .1860538936953793 1.8916e-09 deg/d
Q 3.16431135239381 2.1448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      8660 days (23.71 yr)  
   first obs. used      1996-05-19  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:24:28  

Additional Information
 Earth MOID = 1.92079 au 
 Jupiter MOID = 1.80818 au 
 T_jup = 3.236 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456880.5 (2014-Aug-11.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04024905394754404 4.2833e-08  
q 2.916110899965508 1.3086e-07 au
tp 2457668.540239214452
(2016-Oct-07.04023921)
0.00027326 TDB
node 202.3124028156481 5.2469e-05 deg
peri 327.3739900147079 7.316e-05 deg
i 4.018001457905955 5.0671e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      8660 days (23.71 yr)  
   first obs. used      1996-05-19  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:24:28  

Additional Information
 Jupiter MOID = 1.80818 au 
 T_jup = 3.236 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.83468336698119E-15 -5.54073604673095E-15 3.008831289402833E-12 7.629768058962408E-16 5.809283892150681E-13 -2.962446469803384E-16
q -5.54073604673095E-15 1.712524215878023E-14 -8.1679525164838E-12 -2.868660077724247E-15 -1.613460808494562E-12 1.523692193441189E-15
tp 3.008831289402833E-12 -8.1679525164838E-12 7.467171631415111E-8 -1.188900979121764E-11 1.393795255463875E-8 4.926952850415866E-12
node 7.629768058962408E-16 -2.868660077724247E-15 -1.188900979121764E-11 2.752993312386971E-9 -2.748215127893414E-9 -1.944563076157045E-11
peri 5.809283892150681E-13 -1.613460808494562E-12 1.393795255463875E-8 -2.748215127893414E-9 5.352393143594227E-9 2.026392340643381E-11
i -2.962446469803384E-16 1.523692193441189E-15 4.926952850415866E-12 -1.944563076157045E-11 2.026392340643381E-11 2.567597381229755E-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 14.4   n/a MPO502592  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-08 16:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin