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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1640100050085715 4.9719e-08  
a 2.443660902075433 1.4921e-08 au
q 2.04287606528679 1.2573e-07 au
i 7.877667614141663 7.4246e-06 deg
node 196.0754611054427 3.0629e-05 deg
peri 51.0849967497961 3.8657e-05 deg
M 269.1022522163342 2.3046e-05 deg
tp 2459352.798228333395
(2021-May-18.29822833)		 9.0668e-05 TDB
period 1395.275078782677
3.82		 1.278e-05
3.499e-08		 d
yr
n .258013638654025 2.3632e-09 deg/d
Q 2.844445738864075 1.7369e-08 au
   Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      8929 days (24.45 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:13:29  

Additional Information
 Earth MOID = 1.04068 au 
 Jupiter MOID = 2.19083 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 16.0   n/a MPO264057  
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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