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58923 (1998 KJ62)
Classification: Main-belt Asteroid          SPK-ID: 2058923
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627555716714695 6.2892e-08  
a 3.109975940446723 2.654e-08 au
q 2.6038100283748 1.8536e-07 au
i 22.30988054311224 8.8333e-06 deg
node 227.2344075827696 1.1516e-05 deg
peri 298.876487596437 2.8202e-05 deg
M 53.22411660396834 2.643e-05 deg
tp 2458704.330772999248
(2019-Aug-08.83077300)
0.00014585 TDB
period 2003.244553848007
5.48
2.5643e-05
7.021e-08
d
yr
n .1797084631072529 2.3004e-09 deg/d
Q 3.616141852518645 3.086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      8117 days (22.22 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:48:58  

Additional Information
 Earth MOID = 1.67752 au 
 Jupiter MOID = 1.63212 au 
 T_jup = 3.085 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457802.5 (2017-Feb-18.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .16340838170471 6.2744e-08  
q 2.602797996089171 1.8504e-07 au
tp 2458703.143505915858
(2019-Aug-07.64350592)
0.00014568 TDB
node 227.2420577291857 1.1515e-05 deg
peri 298.6499898310709 2.8162e-05 deg
i 22.30946498405188 8.8335e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      8117 days (22.22 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:48:58  

Additional Information
 Jupiter MOID = 1.63212 au 
 T_jup = 3.085 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.9368008543863E-15 -1.154725523539563E-14 5.86205081634765E-12 5.769473791856574E-15 9.13035397282235E-13 -4.633195162886354E-15
q -1.154725523539563E-14 3.424083021742237E-14 -1.72042435960321E-11 -2.15382388072785E-14 -2.709669272155662E-12 1.31524254234471E-14
tp 5.86205081634765E-12 -1.72042435960321E-11 2.122149209561234E-8 2.558197975300746E-11 3.731834220463409E-9 -1.443009651593143E-11
node 5.769473791856574E-15 -2.15382388072785E-14 2.558197975300746E-11 1.325864145534502E-10 -1.173631192739446E-10 2.4304517144682E-13
peri 9.13035397282235E-13 -2.709669272155662E-12 3.731834220463409E-9 -1.173631192739446E-10 7.930857183975382E-10 -2.69592892073967E-12
i -4.633195162886354E-15 1.31524254234471E-14 -1.443009651593143E-11 2.4304517144682E-13 -2.69592892073967E-12 7.803033613193054E-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 14.3   n/a MPO385195  
diameter diameter 6.886 km 0.420 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58923 (1998 KJ62)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 KJ62 = 2001 UB160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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