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100915 (1998 KH49)
Classification: Main-belt Asteroid          SPK-ID: 2100915
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639349008662956 4.9482e-08  
a 2.443237098236776 1.4926e-08 au
q 2.042705266744475 1.2516e-07 au
i 7.878412195531493 7.3911e-06 deg
node 196.0712294757149 3.0625e-05 deg
peri 51.1412061650527 3.8591e-05 deg
M 320.6550588572831 2.3189e-05 deg
tp 2459352.952042491058
(2021-May-18.45204249)
9.045e-05 TDB
period 1394.912120917988
3.82
1.2783e-05
3.5e-08
d
yr
n .2580807741229497 2.365e-09 deg/d
Q 2.843768929729078 1.7373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      8982 days (24.59 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:30  

Additional Information
 Earth MOID = 1.03907 au 
 Jupiter MOID = 2.19053 au 
 T_jup = 3.469 
[ 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 16.02   n/a E2021B55  
diameter diameter 3.673 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100915 (1998 KH49)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 KH49 = 1995 QL15 = 2002 LA42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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