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135648 (2002 KQ4)
Classification: Main-belt Asteroid          SPK-ID: 2135648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1848936437454192 3.0034e-08  
a 2.349746091541455 7.6718e-09 au
q 1.915292974799798 7.2346e-08 au
i 3.575150428687578 3.3725e-06 deg
node 110.7916580896406 5.5317e-05 deg
peri 171.4659450051566 5.6159e-05 deg
M 29.69827492031727 9.2965e-06 deg
tp 2459091.967813314183
(2020-Aug-30.46781331)
3.3876e-05 TDB
period 1315.618072488255
3.60
6.4431e-06
1.764e-08
d
yr
n .2736356451223908 1.3401e-09 deg/d
Q 2.784199208283112 9.0903e-09 au
  Orbit Determination Parameters
   # obs. used (total)      618  
   data-arc span      10664 days (29.20 yr)  
   first obs. used      1991-05-07  
   last obs. used      2020-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:58  

Additional Information
 Earth MOID = .897009 au 
 Jupiter MOID = 2.35868 au 
 T_jup = 3.533 
[ show covariance matrix ]

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 16.66   n/a E2021B55  
diameter diameter 2.298 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.077   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

135648 (2002 KQ4)          Discovered 2002-May-16 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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