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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04572594235351445 6.9722e-08  
a 2.458680093282837 2.2301e-08 au
q 2.346254629071653 1.7504e-07 au
i 7.606402051616282 8.2765e-06 deg
node 335.1249244981419 4.5502e-05 deg
peri 317.6502158497423 0.00017106 deg
M 276.5286321658672 0.00017498 deg
tp 2457927.002487121534
(2017-Jun-22.50248712)
0.00068656 JED
period 1408.158251309832
3.86
1.9158e-05
5.245e-08
d
yr
n .2556530842077852 3.4782e-09 deg/d
Q 2.571105557494021 2.332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      654  
   data-arc span      9916 days (27.15 yr)  
   first obs. used      1989-02-11  
   last obs. used      2016-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54246  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:16:05  

Additional Information
 Earth MOID = 1.33629 au 
 Jupiter MOID = 2.53731 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 15.0 mag n/a MPO332943  

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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