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35643 (1998 KN55)
Classification: Main-belt Asteroid          SPK-ID: 2035643
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367446093065342 2.9982e-08  
a 2.791987248992827 1.1268e-08 au
q 2.410198043440478 8.276e-08 au
i 9.058180331311478 3.4185e-06 deg
node 176.8419806694048 2.0306e-05 deg
peri 280.0779579766913 2.4246e-05 deg
M 131.0392789995501 1.2344e-05 deg
tp 2458776.248866285500
(2019-Oct-19.74886629)
5.8188e-05 TDB
period 1703.996006708697
4.67
1.0316e-05
2.824e-08
d
yr
n .211268100736543 1.279e-09 deg/d
Q 3.173776454545177 1.2809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2224  
   data-arc span      8435 days (23.09 yr)  
   first obs. used      1998-05-23  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:19:15  

Additional Information
 Earth MOID = 1.44705 au 
 Jupiter MOID = 2.04421 au 
 T_jup = 3.297 
[ 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 13.64   n/a MPO614063  
diameter diameter 5.058 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.397   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35643 (1998 KN55)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KN55 = 1999 RR128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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