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118263 (1998 FE90)
Classification: Main-belt Asteroid          SPK-ID: 2118263
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 .1910797455080707 3.6667e-08  
a 2.707382502529404 1.2384e-08 au
q 2.190056542953082 1.0037e-07 au
i 11.26675444635686 4.0602e-06 deg
node 22.32752439748615 2.0799e-05 deg
peri 94.63933332131991 2.7945e-05 deg
M 31.85124605208065 1.3882e-05 deg
tp 2458856.538361866633
(2020-Jan-08.03836187)
6.304e-05 TDB
period 1627.132252322871
4.45
1.1164e-05
3.057e-08
d
yr
n .2212481496117288 1.518e-09 deg/d
Q 3.224708462105726 1.475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1095  
   data-arc span      8599 days (23.54 yr)  
   first obs. used      1996-10-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50759  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:18:43  

Additional Information
 Earth MOID = 1.2399 au 
 Jupiter MOID = 1.98043 au 
 T_jup = 3.311 
[ 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 15.3   n/a MPO333742  
diameter diameter 5.208 km 1.678 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.049   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

118263 (1998 FE90)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1998 FE90 = 2001 TG41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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