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13274 Roygross (1998 QX37)
Classification: Main-belt Asteroid          SPK-ID: 2013274
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04674455841029906 9.9839e-08  
a 2.457608080940171 3.3019e-08 AU
q 2.342728276451041 2.4583e-07 AU
i 7.609627838997188 1.0305e-05 deg
node 335.1326940469687 5.3216e-05 deg
peri 317.1938243371499 0.0002021 deg
M 123.6208861484703 0.00021066 deg
tp 2456517.266851505110
(2013-Aug-12.76685151)
0.00081848 JED
period 1407.237392306242
3.85
2.836e-05
7.765e-08
d
yr
n .2558203768377816 5.1556e-09 deg/d
Q 2.572487885429302 3.4562e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      9334 days (25.56 yr)  
   first obs. used      1989-02-11  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56786  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:01:30  

Additional Information
 Earth MOID = 1.33436 AU 
 T_jup = 3.478 
[ 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 14.9 mag n/a PDS3 (MPC 37560)  

13274 Roygross           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Roy James Gross (b. 1987) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his botany and zoology project. He attends the Penndale Middle School, Lansdale, Pennsylvania.
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
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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