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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532367787242468 4.9005e-08  
a 3.024129671344088 2.4437e-08 au
q 2.560721782062905 1.4775e-07 au
i 3.706457906821801 5.0085e-06 deg
node 81.57725932947695 9.7957e-05 deg
peri 117.5619477977175 9.9505e-05 deg
M 64.08034022762018 1.8116e-05 deg
tp 2458658.582484591785
(2019-Jun-24.08248459)
9.6334e-05 TDB
period 1920.874719293432
5.26
2.3283e-05
6.375e-08
d
yr
n .1874146170929987 2.2716e-09 deg/d
Q 3.487537560625271 2.8181e-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 = 1.56102 au 
 Jupiter MOID = 1.47559 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456766.5 (2014-Apr-19.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518448523031065 4.912e-08  
q 2.562004580237573 1.4788e-07 au
tp 2456736.355870735031
(2014-Mar-19.85587073)
9.7718e-05 TDB
node 81.59751942683792 9.7928e-05 deg
peri 116.828319421492 9.9502e-05 deg
i 3.707916294879052 5.0088e-06 deg
  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
 Jupiter MOID = 1.47559 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.412745833687712E-15 -7.191945514735125E-15 -1.020158554444732E-12 -4.13244576980516E-15 -2.063733244009354E-13 4.231061446242308E-16
q -7.191945514735125E-15 2.186813597992167E-14 2.772092292143378E-12 7.714812677204836E-15 5.659932434776094E-13 -1.44199400355037E-15
tp -1.020158554444732E-12 2.772092292143378E-12 9.54875495177786E-9 2.401709496696679E-11 1.791632584937923E-9 -1.011380056384446E-12
node -4.13244576980516E-15 7.714812677204836E-15 2.401709496696679E-11 9.589864291099014E-9 -9.565082043289226E-9 6.951262141944987E-11
peri -2.063733244009354E-13 5.659932434776094E-13 1.791632584937923E-9 -9.565082043289226E-9 9.900620343037655E-9 -6.959505703610997E-11
i 4.231061446242308E-16 -1.44199400355037E-15 -1.011380056384446E-12 6.951262141944987E-11 -6.959505703610997E-11 2.508780590354021E-11

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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