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22529 (1998 FB40)
Classification: Main-belt Asteroid          SPK-ID: 2022529
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07332858372547178 3.7771e-08  
a 3.009976567889657 1.9785e-08 au
q 2.789259249119452 1.2114e-07 au
i 10.47534498952167 5.4901e-06 deg
node 176.5568741152093 2.3398e-05 deg
peri 108.0418161525536 4.5044e-05 deg
M 26.63509051988554 3.8428e-05 deg
tp 2459059.377982930476
(2020-Jul-28.87798293)		 0.00020331 TDB
period 1907.405800145448
5.22		 1.8806e-05
5.149e-08		 d
yr
n .1887380231162915 1.8609e-09 deg/d
Q 3.230693886659862 2.1235e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      10868 days (29.75 yr)  
   first obs. used      1990-11-10  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:07:21  

Additional Information
 Earth MOID = 1.7942 au 
 Jupiter MOID = 1.93088 au 
 T_jup = 3.220 
[ 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 14.3   n/a MPO347695  
diameter diameter 4.617 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22529 (1998 FB40)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FB40 = 2000 QU138 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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