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100904 (1998 KW10)
Classification: Main-belt Asteroid          SPK-ID: 2100904
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09350478337493091 5.1209e-08  
a 3.095142042661322 2.7716e-08 au
q 2.805731456447634 1.6753e-07 au
i 11.18820042706038 4.5604e-06 deg
node 125.9312912088788 3.1744e-05 deg
peri 239.5216837294199 4.3147e-05 deg
M 249.0965374872351 3.1491e-05 deg
tp 2459613.219790924187
(2022-Feb-02.71979092)		 0.00017677 TDB
period 1988.929107667118
5.45		 2.6716e-05
7.314e-08		 d
yr
n .1810019264197185 2.4313e-09 deg/d
Q 3.384552628875011 3.0308e-08 au
   Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      8083 days (22.13 yr)  
   first obs. used      1998-04-29  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:13:55  

Additional Information
 Earth MOID = 1.82203 au 
 Jupiter MOID = 2.07055 au 
 T_jup = 3.188 
[ 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 15.2   n/a MPO432536  
diameter diameter 3.737 km 0.615 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100904 (1998 KW10)          Discovered 1998-May-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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