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23032 Fossey (1999 XB8)
Classification: Main-belt Asteroid          SPK-ID: 2023032
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 .07269706959622803 5.0243e-08  
a 2.752506051778684 1.45e-08 au
q 2.55240692776849 1.407e-07 au
i 7.181847067507091 3.7864e-06 deg
node 103.4747977588129 4.1233e-05 deg
peri 276.6362064855572 4.7857e-05 deg
M 219.5909448687396 2.5267e-05 deg
tp 2459651.054172498170
(2022-Mar-12.55417250)
0.00011775 TDB
period 1667.980045022034
4.57
1.318e-05
3.608e-08
d
yr
n .215829920192627 1.7055e-09 deg/d
Q 2.952605175788878 1.5554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      996  
   data-arc span      8940 days (24.48 yr)  
   first obs. used      1995-12-20  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:04:14  

Additional Information
 Earth MOID = 1.56734 au 
 Jupiter MOID = 2.41257 au 
 T_jup = 3.330 
[ 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 14.6   n/a MPO435915  
diameter diameter 3.301 km 1.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.195   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

23032 Fossey           Discovered 1999 Dec. 3 by J. Broughton at Reedy Creek Observatory.
American occupational therapist Dian Fossey (1932-1985) spent many years in Africa studying the behavior of the mountain gorilla, the largest and rarest of the great apes. Her campaign for their protection was largely responsible for bringing the species back from the brink of extinction.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011230/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
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