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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08510129061813711 5.1638e-08  
a 2.413514393701916 1.8641e-08 AU
q 2.208121203872432 1.2356e-07 AU
i 4.917353547242503 8.0863e-06 deg
node 225.5951732230935 7.1755e-05 deg
peri 48.65220196877195 8.9525e-05 deg
M 193.8311676387743 5.3088e-05 deg
tp 2457632.650279184937
(2016-Sep-01.15027918)
0.00020187 JED
period 1369.535413307027
3.75
1.5867e-05
4.344e-08
d
yr
n .262862863203154 3.0454e-09 deg/d
Q 2.6189075835314 2.0228e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      9373 days (25.66 yr)  
   first obs. used      1989-03-02  
   last obs. used      2014-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .521  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:19:25  

Additional Information
 Earth MOID = 1.19707 AU 
 T_jup = 3.508 
[ 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 14.9 mag n/a MPO309256  

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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