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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .070717783552343 5.5552e-08  
a 2.332417308088406 1.4157e-08 au
q 2.167473925741271 1.3225e-07 au
i 4.193972307426729 5.2972e-06 deg
node 135.0596227752721 8.1043e-05 deg
peri 97.6668478632392 9.3052e-05 deg
M 112.1454783079997 4.2082e-05 deg
tp 2457195.190225892099
(2015-Jun-21.69022589)
0.00015298 JED
period 1301.091411622578
3.56
1.1845e-05
3.243e-08
d
yr
n .2766907818959835 2.5191e-09 deg/d
Q 2.49736069043554 1.5158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   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      .53684  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:54:07  

Additional Information
 Earth MOID = 1.16088 au 
 Jupiter MOID = 2.48759 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 15.3 mag n/a MPO344410  

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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