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5971 Tickell (1991 NT2)
Classification: Main-belt Asteroid          SPK-ID: 2005971
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649495933794914 6.5518e-08  
a 2.60185382540599 2.2177e-08 AU
q 2.172679094872398 1.7275e-07 AU
i 12.34479118196931 6.6766e-06 deg
node 290.4147749599371 2.8901e-05 deg
peri 2.472073330561118 3.5959e-05 deg
M 226.3516997447906 2.2518e-05 deg
tp 2457569.593606594011
(2016-Jun-30.09360659)
9.5718e-05 JED
period 1532.931567274895
4.20
1.9599e-05
5.366e-08
d
yr
n .2348441428732367 3.0025e-09 deg/d
Q 3.031028555939582 2.5835e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      23003 days (62.98 yr)  
   first obs. used      1952-01-31  
   last obs. used      2015-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51302  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:15:09  

Additional Information
 Earth MOID = 1.1578 AU 
 T_jup = 3.363 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3 mag n/a MPO250266  
rotation period rot_per 2.99705 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

5971 Tickell           Discovered 1991 July 12 by H. E. Holt at Palomar.
British diplomat Crispin Tickell (b. 1930), ambassador to Mexico (1981-1983) and to the U.N. (1987-1990), chaired the board of the Climate Institute of Washington (1990-2002) and the Government Panel on Sustainable Development (1994-2000). He also served on the U.K. government's Task Force on Near-Earth Objects.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060413/MPCPages.arcLast Updated: 2006-04-17

Alternate Designations
 1991 NT2 = 1953 LJ = 1957 LB = 1981 DY3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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