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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07304177776948771 3.7725e-08  
a 3.007378922976645 1.9818e-08 au
q 2.787714620015943 1.2081e-07 au
i 10.48395109551557 5.4941e-06 deg
node 176.5357999784893 2.3373e-05 deg
peri 107.3664303943993 4.5171e-05 deg
M 64.30751939485224 3.8677e-05 deg
tp 2459056.217267946264
(2020-Jul-25.71726795)
0.00020393 TDB
period 1904.937162747272
5.22
1.883e-05
5.155e-08
d
yr
n .1889826116263139 1.868e-09 deg/d
Q 3.227043225937346 2.1265e-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 = 1.79443 au 
 Jupiter MOID = 1.93015 au 
 T_jup = 3.221 
[ 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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