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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3276463760836587 1.0914e-08  
a 2.169165072356249 4.8937e-09 au
q 1.458445997271476 2.4484e-08 au
i 5.878691330655137 5.3504e-07 deg
node 202.5051707246725 5.1483e-06 deg
peri 82.63030708282476 6.3356e-06 deg
M 301.7521431246171 2.9084e-06 deg
tp 2459585.305560837585
(2022-Jan-05.80556084)
9.9139e-06 TDB
period 1166.909918195749
3.19
3.9489e-06
1.081e-08
d
yr
n .3085071044358114 1.044e-09 deg/d
Q 2.879884147441021 6.4971e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1824  
   data-arc span      15954 days (43.68 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49358  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:32:53  

Additional Information
 Earth MOID = .458705 au 
 Jupiter MOID = 2.32527 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 14.67   n/a MPCxxxxx  
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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