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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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0467445560300382 1.0036e-07  
a 2.457608081975686 3.3327e-08 AU
q 2.342728283287899 2.4757e-07 AU
i 7.609628070558601 1.0372e-05 deg
node 335.1326939190595 5.322e-05 deg
peri 317.193823571551 0.00020213 deg
M 123.6208866118066 0.00021067 deg
tp 2456517.266849388517
(2013-Aug-12.76684939)
0.00081852 JED
period 1407.237393195653
3.85
2.8625e-05
7.837e-08
d
yr
n .2558203766760965 5.2036e-09 deg/d
Q 2.572487880663473 3.4885e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      8500 days (23.27 yr)  
   first obs. used      1989-02-11  
   last obs. used      2012-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56867  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:36:18  

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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