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35629 (1998 KK21)
Classification: Main-belt Asteroid          SPK-ID: 2035629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507232744391864 4.7866e-08  
a 2.662210883373184 1.3017e-08 au
q 2.260953741783539 1.292e-07 au
i 12.0390874280463 4.0995e-06 deg
node 245.8353414155973 2.4446e-05 deg
peri 275.4151483268871 2.7734e-05 deg
M 81.87034042498706 1.3279e-05 deg
tp 2458639.683653946344
(2019-Jun-05.18365395)
5.7935e-05 TDB
period 1586.580486963164
4.34
1.1637e-05
3.186e-08
d
yr
n .2269030805295403 1.6642e-09 deg/d
Q 3.06346802496283 1.4979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1649  
   data-arc span      8587 days (23.51 yr)  
   first obs. used      1996-12-12  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46965  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:31:24  

Additional Information
 Earth MOID = 1.30655 au 
 Jupiter MOID = 2.09484 au 
 T_jup = 3.338 
[ 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 13.4   n/a MPO337551  
diameter diameter 6.219 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35629 (1998 KK21)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KK21 = 1999 RU117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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