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8436 Leucopsis (2259 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2008436
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1232993885068629 3.3094e-08  
a 3.09533749184021 1.7449e-08 au
q 2.713684271873945 1.0352e-07 au
i 4.202911964654399 4.4556e-06 deg
node 129.7465452196648 6.3162e-05 deg
peri 303.1066733843223 6.692e-05 deg
M 99.08690894461994 2.1645e-05 deg
tp 2458453.012486324114
(2018-Nov-30.51248632)
0.00011851 TDB
period 1989.117503236239
5.45
1.682e-05
4.605e-08
d
yr
n .1809847831585062 1.5304e-09 deg/d
Q 3.476990711806475 1.96e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1368  
   data-arc span      17964 days (49.18 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:48:51  

Additional Information
 Earth MOID = 1.73147 au 
 Jupiter MOID = 1.78474 au 
 T_jup = 3.208 
[ 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 13.9   n/a MPO425890  
diameter diameter 9.578 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.075   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8436 Leucopsis           Discovered 1971 Mar. 25 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Named for branta leucopsis, or barnacle goose.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990202/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 2259 T-1 = 1985 VH4 = 1990 RV13 = 1990 SJ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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