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JPL Small-Body Database Browser
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305475 (2008 DT54)
Classification: Main-belt Asteroid          SPK-ID: 2305475
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0552502549194849 6.3076e-08  
a 2.982269336045111 4.3016e-08 au
q 2.817498194990056 1.7727e-07 au
i 10.84217657860756 6.4171e-06 deg
node 87.09536411845401 3.8236e-05 deg
peri 11.78333272510767 8.7974e-05 deg
M 182.070170401183 7.6866e-05 deg
tp 2459930.247423592661
(2022-Dec-16.74742359)
0.00040424 TDB
period 1881.129618614458
5.15
4.07e-05
1.114e-07
d
yr
n .1913743723120777 4.1406e-09 deg/d
Q 3.147040477100167 4.5393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      6396 days (17.51 yr)  
   first obs. used      2001-11-17  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56314  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:55:01  

Additional Information
 Earth MOID = 1.83512 au 
 Jupiter MOID = 2.01549 au 
 T_jup = 3.230 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO300344  

305475 (2008 DT54)          Discovered 2008-Feb-28 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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