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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07063500938000149 5.6131e-08  
a 2.332222708501846 1.4351e-08 AU
q 2.167486135610566 1.336e-07 AU
i 4.194066555340863 5.4318e-06 deg
node 135.0598871476066 8.189e-05 deg
peri 97.41480343594853 9.3916e-05 deg
M 306.3495470410612 4.2899e-05 deg
tp 2457194.376132909396
(2015-Jun-20.87613291)
0.00015461 JED
period 1300.928584904961
3.56
1.2008e-05
3.288e-08
d
yr
n .2767254130450978 2.5542e-09 deg/d
Q 2.496959281393126 1.5365e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      8663 days (23.72 yr)  
   first obs. used      1991-09-30  
   last obs. used      2015-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53796  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:11:41  

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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