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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .327653894008058 2.2305e-08  
a 2.169464752476663 5.6522e-09 au
q 1.458631178414457 4.9488e-08 au
i 5.878043672419953 3.4876e-06 deg
node 202.5111082462573 2.77e-05 deg
peri 82.60045513501736 2.8502e-05 deg
M 241.3223625352312 6.045e-06 deg
tp 2459585.263366543986
(2022-Jan-05.76336654)
2.0513e-05 TDB
period 1167.151747497122
3.20
4.5613e-06
1.249e-08
d
yr
n .3084431829639938 1.2054e-09 deg/d
Q 2.88029832653887 7.5042e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1546  
   data-arc span      15812 days (43.29 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:57:59  

Additional Information
 Earth MOID = .457334 au 
 Jupiter MOID = 2.32576 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 14.64   n/a E2021B10  
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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