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136879 (1998 FH124)
Classification: Main-belt Asteroid          SPK-ID: 2136879
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532367503275027 4.7815e-08  
a 3.024129672463713 2.3656e-08 au
q 2.560721868886398 1.4316e-07 au
i 3.706455503743662 4.9408e-06 deg
node 81.57718466547419 9.4241e-05 deg
peri 117.5620121269223 9.5838e-05 deg
M 64.08035182642431 1.7672e-05 deg
tp 2458658.582422513431
(2019-Jun-24.08242251)		 9.4151e-05 TDB
period 1920.874720360182
5.26		 2.2539e-05
6.171e-08		 d
yr
n .1874146169889188 2.1991e-09 deg/d
Q 3.487537476041028 2.7282e-08 au
   Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      8120 days (22.23 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62199  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:49:14  

Additional Information
 Earth MOID = 1.56102 au 
 Jupiter MOID = 1.47559 au 
 T_jup = 3.224 
[ 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 15.4   n/a MPO436675  
diameter diameter 4.449 km 0.561 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136879 (1998 FH124)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 FH124 = 2001 WT78 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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