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136867 (1998 FW48)
Classification: Main-belt Asteroid          SPK-ID: 2136867
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721451794073658 3.8513e-08  
a 3.02686633928447 2.3003e-08 au
q 2.505805890266228 1.2115e-07 au
i 4.156042112776989 5.3428e-06 deg
node 208.8090806354818 7.5705e-05 deg
peri 42.93983548933076 7.8288e-05 deg
M 21.20855261149415 1.825e-05 deg
tp 2458887.182542263746
(2020-Feb-07.68254226)
9.768e-05 TDB
period 1923.482735118031
5.27
2.1927e-05
6.003e-08
d
yr
n .1871605049670015 2.1335e-09 deg/d
Q 3.547926788302712 2.6963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      10393 days (28.45 yr)  
   first obs. used      1992-02-05  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 11:03:50  

Additional Information
 Earth MOID = 1.49364 au 
 Jupiter MOID = 1.4977 au 
 T_jup = 3.218 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456917.5 (2014-Sep-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700894449764018 3.8649e-08  
q 2.510808363481027 1.2112e-07 au
tp 2456964.578491397956
(2014-Nov-03.07849140)
0.00010405 TDB
node 208.8563047368182 7.5662e-05 deg
peri 42.83118736932934 7.8301e-05 deg
i 4.156617284526374 5.3441e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      10393 days (28.45 yr)  
   first obs. used      1992-02-05  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 11:03:50  

Additional Information
 Jupiter MOID = 1.4977 au 
 T_jup = 3.218 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.493737935271E-15 -4.624108950738891E-15 1.078338178299426E-13 -1.998582296655504E-15 -1.718803573191513E-14 -8.610795354585915E-16
q -4.624108950738891E-15 1.467072492082591E-14 -9.914320310768146E-13 7.467581645434897E-15 -7.600595797899996E-14 3.307940188175012E-15
tp 1.078338178299426E-13 -9.914320310768146E-13 1.082565173673143E-8 8.811286547383112E-12 2.136537177673713E-9 -7.486547981730961E-12
node -1.998582296655504E-15 7.467581645434897E-15 8.811286547383112E-12 5.724759742521453E-9 -5.707986069686437E-9 -1.333362262695323E-10
peri -1.718803573191513E-14 -7.600595797899996E-14 2.136537177673713E-9 -5.707986069686437E-9 6.131070070418291E-9 1.315884999321278E-10
i -8.610795354585915E-16 3.307940188175012E-15 -7.486547981730961E-12 -1.333362262695323E-10 1.315884999321278E-10 2.855955872181103E-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 MPO348282  

136867 (1998 FW48)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 FW48 = 2003 EC7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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