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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1522379613056982 4.9e-08  
a 3.020292449570094 2.4562e-08 au
q 2.560489284500549 1.4756e-07 au
i 3.707907172242163 5.0095e-06 deg
node 81.5778981485293 9.7928e-05 deg
peri 117.3240000254939 9.9502e-05 deg
M 349.2883770752304 1.8173e-05 deg
tp 2458657.545934323185
(2019-Jun-23.04593432)
9.6838e-05 TDB
period 1917.219874203923
5.25
2.3387e-05
6.403e-08
d
yr
n .1877718903521595 2.2905e-09 deg/d
Q 3.480095614639638 2.8301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      7688 days (21.05 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62686  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:15:23  

Additional Information
 Earth MOID = 1.56118 au 
 Jupiter MOID = 1.48404 au 
 T_jup = 3.226 
[ 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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