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 ]  
52654 (1998 AK5)
Classification: Main-belt Asteroid          SPK-ID: 2052654
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05811557412392095 3.5657e-08  
a 2.980623564096648 1.7705e-08 au
q 2.807402914421883 1.1045e-07 au
i 9.488619590167023 4.5001e-06 deg
node 322.2476920182604 2.3949e-05 deg
peri 293.3894663091831 4.8533e-05 deg
M 94.00560034997989 4.0269e-05 deg
tp 2458905.693450756908
(2020-Feb-26.19345076)
0.00021135 TDB
period 1879.572675135317
5.15
1.6747e-05
4.585e-08
d
yr
n .1915328972177585 1.7065e-09 deg/d
Q 3.153844213771412 1.8734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1437  
   data-arc span      8565 days (23.45 yr)  
   first obs. used      1998-01-08  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:23:25  

Additional Information
 Earth MOID = 1.80896 au 
 Jupiter MOID = 1.98609 au 
 T_jup = 3.236 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456919.5 (2014-Sep-19.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05511357164872822 3.6276e-08  
q 2.81642836253504 1.1177e-07 au
tp 2457033.870281419895
(2015-Jan-11.37028142)
0.0002258 TDB
node 322.3325978337419 2.4e-05 deg
peri 295.1549841487014 5.011e-05 deg
i 9.478340173660291 4.4947e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1437  
   data-arc span      8565 days (23.45 yr)  
   first obs. used      1998-01-08  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:23:25  

Additional Information
 Jupiter MOID = 1.98609 au 
 T_jup = 3.236 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.315934238443053E-15 -4.01206252053368E-15 1.406482820216969E-12 -2.327362110213439E-15 2.882605624720673E-13 -6.449285120472363E-16
q -4.01206252053368E-15 1.249164873460807E-14 -5.466593348382439E-12 9.611534232787479E-15 -1.112280416360461E-12 3.145297502433725E-15
tp 1.406482820216969E-12 -5.466593348382439E-12 5.098767138306201E-8 -3.355950265703715E-11 9.952633365997281E-9 -3.712693914441481E-12
node -2.327362110213439E-15 9.611534232787479E-15 -3.355950265703715E-11 5.759924753836317E-10 -5.73985766970452E-10 -1.509137114290848E-12
peri 2.882605624720673E-13 -1.112280416360461E-12 9.952633365997281E-9 -5.73985766970452E-10 2.510968807861181E-9 8.463669275936328E-13
i -6.449285120472363E-16 3.145297502433725E-15 -3.712693914441481E-12 -1.509137114290848E-12 8.463669275936328E-13 2.020257915974715E-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 13.62   n/a E2021B10  
diameter diameter 6.728 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.170   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52654 (1998 AK5)          Discovered 1998-Jan-08 by ODAS at Caussols
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 AK5 = 2000 QG176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-27 00:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin