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52707 (1998 FE81)
Classification: Main-belt Asteroid          SPK-ID: 2052707
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115593721934791 3.9032e-08  
a 3.199400869944995 2.0948e-08 au
q 2.829570215426645 1.2542e-07 au
i 6.099719587912305 3.9578e-06 deg
node 97.55970095592529 4.2741e-05 deg
peri 103.484511994339 4.6521e-05 deg
M 325.0545020810309 1.763e-05 deg
tp 2459403.403784208438
(2021-Jul-07.90378421)
0.00010267 TDB
period 2090.265317850491
5.72
2.0529e-05
5.621e-08
d
yr
n .1722269402480463 1.6915e-09 deg/d
Q 3.569231524463345 2.337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1206  
   data-arc span      8428 days (23.07 yr)  
   first obs. used      1998-02-25  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52612  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:19:33  

Additional Information
 Earth MOID = 1.8339 au 
 Jupiter MOID = 1.42799 au 
 T_jup = 3.175 
[ 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 14.02   n/a MPCxxxxx  
diameter diameter 8.785 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52707 (1998 FE81)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FE81 = 2000 QU188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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