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10984 Gispen (3507 T-3)
Classification: Mars-crossing Asteroid          SPK-ID: 2010984
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .327683761497079 2.2458e-08  
a 2.169503611611766 5.7719e-09 au
q 1.458592507577325 4.9764e-08 au
i 5.877891776451088 3.6982e-06 deg
node 202.5229763273366 2.8082e-05 deg
peri 82.57039865087066 2.9015e-05 deg
M 179.6691611096855 5.9678e-06 deg
tp 2458417.981084469778
(2018-Oct-26.48108447)
1.8271e-05 TDB
period 1167.183106414444
3.20
4.6579e-06
1.275e-08
d
yr
n .3084348959658185 1.2309e-09 deg/d
Q 2.880414715646208 7.6632e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1472  
   data-arc span      15451 days (42.30 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:54:00  

Additional Information
 Earth MOID = .459105 au 
 Jupiter MOID = 2.32621 au 
 T_jup = 3.612 
[ 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 MPO279631  
diameter diameter 2.441 km 0.393 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.373   0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

10984 Gispen           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Willem Hendrik Gispen (b. 1943) is a well-known Dutch scientist in the field of neurosciences, and from 2001 to 2007 he was rector of Utrecht University. He contributed to establishing the Sonnenborgh museum and observatory as a place for communication and education in astronomy and meteorology.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

[ show close-approach data ]
Alternate Designations
 3507 T-3 = 1993 TH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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