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13280 Christihaas (1998 QM44)
Classification: Main-belt Asteroid          SPK-ID: 2013280
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07063501142913128 5.6095e-08  
a 2.332222707275385 1.4301e-08 AU
q 2.167486129691708 1.3347e-07 AU
i 4.194066530965965 5.3823e-06 deg
node 135.0598869113491 8.1669e-05 deg
peri 97.41480027384705 9.3674e-05 deg
M 306.3495510688545 4.2722e-05 deg
tp 2457194.376118201265
(2015-Jun-20.87611820)
0.00015395 JED
period 1300.928583878769
3.56
1.1966e-05
3.276e-08
d
yr
n .276725413263383 2.5454e-09 deg/d
Q 2.496959284859061 1.5312e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      8714 days (23.86 yr)  
   first obs. used      1991-09-30  
   last obs. used      2015-08-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53578  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:38:13  

Additional Information
 Earth MOID = 1.16274 AU 
 T_jup = 3.563 
[ 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 15.2 mag n/a MPO337371  

13280 Christihaas           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Christine Haas (b. 1988) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her botany and zoology project. She attends the Reyburn Intermediate School, Clovis, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021021/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1998 QM44 = 1997 EX2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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