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13305 Danielang (1998 RD54)
Classification: Main-belt Asteroid          SPK-ID: 2013305
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08552773433915102 5.4759e-08  
a 2.412562798332684 1.9433e-08 AU
q 2.206221768240368 1.3012e-07 AU
i 4.9188407987924 8.6873e-06 deg
node 225.6113780399909 7.749e-05 deg
peri 48.58693691574343 9.7636e-05 deg
M 141.2914915170134 5.8133e-05 deg
tp 2456263.307580096258
(2012-Dec-01.80758010)
0.00022189 JED
period 1368.725526845051
3.75
1.6537e-05
4.528e-08
d
yr
n .2630184013808887 3.1778e-09 deg/d
Q 2.618903828425001 2.1095e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      9095 days (24.90 yr)  
   first obs. used      1989-03-02  
   last obs. used      2014-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54643  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:19:14  

Additional Information
 Earth MOID = 1.19334 AU 
 T_jup = 3.509 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a PDS3 (MPC 37569)  

13305 Danielang           Discovered 1998 Sept. 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Daniel Owen Lang (b. 1988) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his biochemistry, medicine, health, and microbiology project. He attends the Independence Home School, Yardley, 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

[ show close-approach data ]
Alternate Designations
 1998 RD54 = 1989 EX3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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