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52654 (1998 AK5)
Classification: Main-belt Asteroid          SPK-ID: 2052654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05811557920214672 3.4891e-08  
a 2.98062356131623 1.7215e-08 au
q 2.807402896666772 1.074e-07 au
i 9.488619700253825 4.4604e-06 deg
node 322.2476910995709 2.3728e-05 deg
peri 293.3894728485191 4.7685e-05 deg
M 94.00559573391266 3.9666e-05 deg
tp 2458905.693475544317
(2020-Feb-26.19347554)
0.00020804 TDB
period 1879.572672505332
5.15
1.6284e-05
4.458e-08
d
yr
n .1915328974857601 1.6594e-09 deg/d
Q 3.153844225965688 1.8216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1464  
   data-arc span      8614 days (23.58 yr)  
   first obs. used      1998-01-08  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49799  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:06:57  

Additional Information
 Earth MOID = 1.80896 au 
 Jupiter MOID = 1.98609 au 
 T_jup = 3.236 
[ show covariance matrix ]

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 13.63   n/a MPO636795  
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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1975-Apr-15 00:40 < 00:01 Jupiter 1.99494170680785 1.99494129698326 1.99494211663255 3.91083919450312 3.80072269683594 2442517.527592007 0.975814897475717 108.190965676603 18.3186909669225 89.6776301497492 3918878.11367781 T 32 CATAB v2.0g-lin.ifort 2021-Aug-25 01:07:03 2021-Aug-25 01:07
2011-Oct-04 07:08 < 00:01 Jupiter 1.98739750541383 1.98739706765377 1.987397943174 3.03558414433408 2.89177755766165 2455838.797215749 0.224934772467668 43.5965099842992 10.8764865265771 -70.4600309741531 3584612.01744106 T 32 CATAB v2.0g-lin.ifort 2021-Aug-25 01:07:03 2021-Aug-25 01:07
2129-Dec-20 03:26 00:03 Jupiter 1.99301720148291 1.99301674031996 1.99301766264779 3.38849844501365 3.26066427982 2499014.642847957 3.0020095628368 192.68249969585 18.3476653156367 89.0044108432853 3579404.08874257 T 32 CATAB v2.0g-lin.ifort 2021-Aug-25 01:07:03 2021-Aug-25 01:07

Alternate Designations
 1998 AK5 = 2000 QG176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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