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19502 (1998 KB51)
Classification: Main-belt Asteroid          SPK-ID: 2019502
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1086712639246672 5.0391e-08  
a 2.516787055310484 7.6359e-09 au
q 2.243284624980652 1.2702e-07 au
i 8.492884214020087 3.4594e-06 deg
node 178.6796849261931 2.5679e-05 deg
peri 62.36119717361613 2.8957e-05 deg
M 186.0663776148259 1.3093e-05 deg
tp 2459705.110604707571
(2022-May-05.61060471)
5.362e-05 TDB
period 1458.37138453311
3.99
6.637e-06
1.817e-08
d
yr
n .2468507019665996 1.1234e-09 deg/d
Q 2.790289485640315 8.4657e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2375  
   data-arc span      14033 days (38.42 yr)  
   first obs. used      1982-05-23  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:08:23  

Additional Information
 Earth MOID = 1.2466 au 
 Jupiter MOID = 2.22829 au 
 T_jup = 3.435 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456899.5 (2014-Aug-30.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .108635259407095 5.021e-08  
q 2.243390590302421 1.2652e-07 au
tp 2456790.288286974431
(2014-May-12.78828697)
5.3046e-05 TDB
node 178.7125725075088 2.5662e-05 deg
peri 62.75558977360292 2.9014e-05 deg
i 8.495314660947175 3.4605e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2375  
   data-arc span      14033 days (38.42 yr)  
   first obs. used      1982-05-23  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:08:23  

Additional Information
 Jupiter MOID = 2.22829 au 
 T_jup = 3.435 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.521090261403629E-15 -6.343330842641888E-15 -9.454532119210338E-13 -2.084552392753274E-14 -3.017936274391791E-13 -1.144285806139237E-14
q -6.343330842641888E-15 1.600723678881673E-14 2.360515579615212E-12 5.269122111723313E-14 7.549871291522884E-13 2.911240453452586E-14
tp -9.454532119210338E-13 2.360515579615212E-12 2.8138645120609E-9 2.104719147295368E-11 7.337072586554906E-10 4.955837728839011E-12
node -2.084552392753274E-14 5.269122111723313E-14 2.104719147295368E-11 6.585386554039212E-10 -6.450904637512841E-10 3.957597557709942E-11
peri -3.017936274391791E-13 7.549871291522884E-13 7.337072586554906E-10 -6.450904637512841E-10 8.41828276212681E-10 -3.75357553919135E-11
i -1.144285806139237E-14 2.911240453452586E-14 4.955837728839011E-12 3.957597557709942E-11 -3.75357553919135E-11 1.197535316059734E-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 13.3   n/a MPO347675  
diameter diameter 5.005 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.303   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19502 (1998 KB51)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KB51 = 1982 KD3 = 1995 UG26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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