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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456975.5 (2014-Nov-14.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05516898222332484 3.5439e-08  
q 2.816435159136816 1.0852e-07 au
tp 2457033.788380940403
(2015-Jan-11.28838094)
0.00022169 TDB
node 322.3319487664733 2.3778e-05 deg
peri 295.1385607298967 4.9223e-05 deg
i 9.47835179284689 4.4549e-06 deg
  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
 Jupiter MOID = 1.98609 au 
 T_jup = 3.236 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.2559171045939E-15 -3.804902292686332E-15 1.081229920816232E-12 -2.126863345697972E-15 2.212551620619986E-13 -5.684809706330199E-16
q -3.804902292686332E-15 1.177649801222374E-14 -4.343188348794546E-12 8.978672071093449E-15 -8.80888382979347E-13 2.867077224497275E-15
tp 1.081229920816232E-12 -4.343188348794546E-12 4.914793980319131E-8 -3.294678357080093E-11 9.574428409644231E-9 -3.202085917210801E-12
node -2.126863345697972E-15 8.978672071093449E-15 -3.294678357080093E-11 5.653837982767949E-10 -5.633928155457604E-10 4.282401338615069E-13
peri 2.212551620619986E-13 -8.80888382979347E-13 9.574428409644231E-9 -5.633928155457604E-10 2.422894603018795E-9 -9.600838644855401E-13
i -5.684809706330199E-16 2.867077224497275E-15 -3.202085917210801E-12 4.282401338615069E-13 -9.600838644855401E-13 1.984647962085757E-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 13.63   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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Alternate Designations
 1998 AK5 = 2000 QG176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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