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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627555507225842 7.4606e-08  
a 3.109975946609687 3.0508e-08 au
q 2.603810098685237 2.3063e-07 au
i 22.30987828245125 9.3325e-06 deg
node 227.2344196407614 1.7621e-05 deg
peri 298.876476745532 3.1586e-05 deg
M 53.22411342536255 2.8257e-05 deg
tp 2458704.330789806449
(2019-Aug-08.83078981)
0.00015535 TDB
period 2003.244559802679
5.48
2.9477e-05
8.07e-08
d
yr
n .1797084625730671 2.6443e-09 deg/d
Q 3.616141794534136 3.5473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      7952 days (21.77 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:39:31  

Additional Information
 Earth MOID = 1.67752 au 
 Jupiter MOID = 1.63212 au 
 T_jup = 3.085 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457097.5 (2015-Mar-16.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636530606161691 7.4328e-08  
q 2.600775118419833 2.3e-07 au
tp 2456698.150541828620
(2014-Feb-09.65054183)
0.00014464 TDB
node 227.2666109944487 1.7622e-05 deg
peri 298.4581676524674 3.1548e-05 deg
i 22.31077286553413 9.3331e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      7952 days (21.77 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:39:31  

Additional Information
 Jupiter MOID = 1.63212 au 
 T_jup = 3.085 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.524690436824306E-15 -1.698900858569062E-14 3.622883949552764E-12 -2.753016853887048E-14 8.194216974010646E-13 9.96613828709659E-15
q -1.698900858569062E-14 5.289969379346025E-14 -1.031453089155758E-11 6.977463737995967E-14 -2.359708811000536E-12 -3.005837873259543E-14
tp 3.622883949552764E-12 -1.031453089155758E-11 2.092045934560337E-8 -7.191667323054142E-11 3.815153013717313E-9 1.392714976721084E-11
node -2.753016853887048E-14 6.977463737995967E-14 -7.191667323054142E-11 3.105475718881459E-10 -3.006156980070861E-10 -3.704692942813341E-11
peri 8.194216974010646E-13 -2.359708811000536E-12 3.815153013717313E-9 -3.006156980070861E-10 9.953059226891259E-10 3.71277111848091E-11
i 9.96613828709659E-15 -3.005837873259543E-14 1.392714976721084E-11 -3.704692942813341E-11 3.71277111848091E-11 8.710627141163436E-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

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