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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083765031645613 2.5815e-08  
a 2.517162696632825 7.4115e-09 au
q 2.244361405675482 6.5821e-08 au
i 8.493415803533098 9.992e-07 deg
node 178.6659311241124 2.9317e-06 deg
peri 62.38936033305264 8.5599e-06 deg
M 283.7643234879096 8.1941e-06 deg
tp 2459705.402281001053
(2022-May-05.90228100)
3.3857e-05 TDB
period 1458.697899043931
3.99
6.4424e-06
1.764e-08
d
yr
n .2467954469777145 1.09e-09 deg/d
Q 2.789963987590169 8.2147e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2741  
   data-arc span      14251 days (39.02 yr)  
   first obs. used      1982-05-23  
   last obs. used      2021-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:48:56  

Additional Information
 Earth MOID = 1.24802 au 
 Jupiter MOID = 2.22629 au 
 T_jup = 3.435 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.40   n/a MPO614063  
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

Alternate Designations
 1998 KB51 = 1982 KD3 = 1995 UG26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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