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10984 Gispen (3507 T-3)
Classification: Mars-crossing Asteroid          SPK-ID: 2010984
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3275672744049898 2.9369e-08  
a 2.169258678297095 6.6207e-09 au
q 1.458680525567945 6.4594e-08 au
i 5.878839148808849 4.846e-06 deg
node 202.5332298617489 3.6917e-05 deg
peri 82.60295806852488 3.8621e-05 deg
M 46.00332328801971 7.0911e-06 deg
tp 2457251.374419326139
(2015-Aug-16.87441933)
2.3032e-05 JED
period 1166.985452474275
3.20
5.3425e-06
1.463e-08
d
yr
n .3084871360107514 1.4123e-09 deg/d
Q 2.879836831026244 8.7894e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1074  
   data-arc span      13934 days (38.15 yr)  
   first obs. used      1977-10-07  
   last obs. used      2015-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50365  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:16:12  

Additional Information
 Earth MOID = .457625 au 
 Jupiter MOID = 2.31738 au 
 T_jup = 3.612 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO279631  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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