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91052 (1998 FW38)
Classification: Main-belt Asteroid          SPK-ID: 2091052
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110213876336392 4.4745e-08  
a 2.563737578881024 1.3033e-08 au
q 2.279107875345146 1.1374e-07 au
i 4.210277240590409 4.6871e-06 deg
node 346.6833954474884 6.045e-05 deg
peri 140.1566679584721 6.4119e-05 deg
M 184.9996339634557 2.4735e-05 deg
tp 2459729.361880252980
(2022-May-29.86188025)
0.0001067 TDB
period 1499.36987466803
4.11
1.1434e-05
3.13e-08
d
yr
n .2401008624237607 1.8309e-09 deg/d
Q 2.848367282416902 1.448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      8167 days (22.36 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:15:00  

Additional Information
 Earth MOID = 1.29602 au 
 Jupiter MOID = 2.19444 au 
 T_jup = 3.421 
[ 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 15.5   n/a MPO296749  
diameter diameter 2.032 km 0.444 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91052 (1998 FW38)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 FW38 = 2000 SN107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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