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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04680622540745883 1.1483e-07  
a 2.457800167324312 3.4461e-08 AU
q 2.34275981868604 2.8172e-07 AU
i 7.60956819728505 1.0902e-05 deg
node 335.1324604973851 5.6294e-05 deg
peri 317.3031690576466 0.00022993 deg
M 72.34172269266004 0.00023969 deg
tp 2456517.683575895534
(2013-Aug-13.18357590)
0.00093416 JED
period 1407.40237981557
3.85
2.96e-05
8.104e-08
d
yr
n .255790387427919 5.3797e-09 deg/d
Q 2.572840515962584 3.6074e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      471  
   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      .57266  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:29:34  

Additional Information
 Earth MOID = 1.33246 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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