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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .172145176529553 3.8996e-08  
a 3.026866341820162 2.3645e-08 au
q 2.505805901076168 1.2332e-07 au
i 4.156041810797558 5.5665e-06 deg
node 208.8090825736714 7.6367e-05 deg
peri 42.93983498987642 7.8989e-05 deg
M 21.2085505384186 1.8778e-05 deg
tp 2458887.182553197811
(2020-Feb-07.68255320)
0.00010043 TDB
period 1923.482737535065
5.27
2.2539e-05
6.171e-08
d
yr
n .1871605047318171 2.1931e-09 deg/d
Q 3.547926782564156 2.7716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      10360 days (28.36 yr)  
   first obs. used      1992-02-05  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:31:31  

Additional Information
 Earth MOID = 1.49364 au 
 Jupiter MOID = 1.4977 au 
 T_jup = 3.218 
[ 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 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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