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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1506897379534624 5.0373e-08  
a 2.661080104372594 1.3814e-08 au
q 2.260082640771516 1.3687e-07 au
i 12.04166758549396 4.1228e-06 deg
node 245.8359753779554 2.5165e-05 deg
peri 275.2165358063423 2.8444e-05 deg
M 351.2452648283107 1.3189e-05 deg
tp 2458639.059008800861
(2019-Jun-04.55900880)
5.8148e-05 TDB
period 1585.569739813335
4.34
1.2346e-05
3.38e-08
d
yr
n .2270477235787698 1.7679e-09 deg/d
Q 3.062077567973673 1.5895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1577  
   data-arc span      8185 days (22.41 yr)  
   first obs. used      1996-12-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47973  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:55:05  

Additional Information
 Earth MOID = 1.30625 au 
 Jupiter MOID = 2.098 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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