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52742 (1998 HV126)
Classification: Main-belt Asteroid          SPK-ID: 2052742
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1506753342204401 3.9119e-08  
a 3.067861656099586 1.6703e-08 au
q 2.605610575724708 1.1542e-07 au
i 4.927683675942498 4.0432e-06 deg
node 284.63741878 5.1226e-05 deg
peri 202.9033519854777 5.3025e-05 deg
M 169.5459637392317 1.4587e-05 deg
tp 2458472.148737999586
(2018-Dec-19.64873800)
7.6504e-05 TDB
period 1962.691691274685
5.37
1.6029e-05
4.389e-08
d
yr
n .1834215743615827 1.4979e-09 deg/d
Q 3.530112736474464 1.922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      9422 days (25.80 yr)  
   first obs. used      1995-10-23  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:07:17  

Additional Information
 Earth MOID = 1.62225 au 
 Jupiter MOID = 1.55415 au 
 T_jup = 3.209 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457219.5 (2015-Jul-16.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537420458348307 3.9229e-08  
q 2.590871152414429 1.1653e-07 au
tp 2456513.695630495449
(2013-Aug-09.19563050)
7.1466e-05 TDB
node 284.67118915931 5.1164e-05 deg
peri 202.2553453242305 5.2887e-05 deg
i 4.935221254852851 4.0466e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      9422 days (25.80 yr)  
   first obs. used      1995-10-23  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:07:17  

Additional Information
 Jupiter MOID = 1.55415 au 
 T_jup = 3.209 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.538927017227133E-15 -4.53999655566317E-15 5.946418910932791E-13 2.129764379125742E-15 1.260757428397324E-13 -1.98215887937902E-16
q -4.53999655566317E-15 1.357826878088261E-14 -1.72359485547228E-12 -6.753591999713769E-15 -3.518131501174516E-13 4.242099948787609E-16
tp 5.946418910932791E-13 -1.72359485547228E-12 5.107322834984716E-9 2.296393636184653E-12 9.817460373812494E-10 8.424877716907176E-13
node 2.129764379125742E-15 -6.753591999713769E-15 2.296393636184653E-12 2.617753790971544E-9 -2.607476251144071E-9 3.271371202180064E-11
peri 1.260757428397324E-13 -3.518131501174516E-13 9.817460373812494E-10 -2.607476251144071E-9 2.796999862471141E-9 -3.247343030452117E-11
i -1.98215887937902E-16 4.242099948787609E-16 8.424877716907176E-13 3.271371202180064E-11 -3.247343030452117E-11 1.637476515776967E-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 14.34   n/a E2021B10  
diameter diameter 6.491 km 0.312 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52742 (1998 HV126)          Discovered 1998-Apr-18 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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