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12631 Mariekebaan (3051 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2012631
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2083198929464277 7.2803e-08  
a 2.991871610452772 3.5568e-08 AU
q 2.368605236853794 2.2344e-07 AU
i 10.95507864855908 1.0592e-05 deg
node 189.0202139817858 4.0289e-05 deg
peri 110.6150396091878 4.7887e-05 deg
M 28.78167794878944 2.5895e-05 deg
tp 2456649.378427267015
(2013-Dec-22.87842727)
0.00013554 JED
period 1890.222185123253
5.18
3.3707e-05
9.228e-08
d
yr
n .1904538010575333 3.3962e-09 deg/d
Q 3.61513798405175 4.2977e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      21648 days (59.27 yr)  
   first obs. used      1955-03-24  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59315  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:28:50  

Additional Information
 Earth MOID = 1.37991 AU 
 T_jup = 3.195 
[ 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 13.2 mag n/a MPO267757  

12631 Mariekebaan           Discovered 1971 Mar. 26 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Marieke Baan (b. 1961) is a Dutch public information officer. In 2005 she became press officer of the Dutch Research School for Astronomy. As such, she promotes astronomy through press releases, media events, educational activities and other forms of public outreach.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2013-07-22Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 3051 T-1 = 1997 FP2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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