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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08510128671375576 5.2341e-08  
a 2.413514391609247 1.9192e-08 AU
q 2.208121211381133 1.2465e-07 AU
i 4.91735637350734 8.4367e-06 deg
node 225.5951531852253 7.3878e-05 deg
peri 48.65223112088071 9.3446e-05 deg
M 193.8311595487474 5.5896e-05 deg
tp 2457632.650309139372
(2016-Sep-01.15030914)
0.000212 JED
period 1369.535411525816
3.75
1.6336e-05
4.473e-08
d
yr
n .2628628635450321 3.1354e-09 deg/d
Q 2.618907571837361 2.0826e-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      .51652  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:36:49  

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 14.8 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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