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30824 (1990 TD)
Classification: Main-belt Asteroid          SPK-ID: 2030824
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812007872009026 5.736e-08  
a 2.276649695074515 1.5439e-08 AU
q 1.864118978146318 1.3241e-07 AU
i 5.007974960354487 5.6208e-06 deg
node 254.2745283433213 7.0904e-05 deg
peri 74.51024260910941 7.3032e-05 deg
M 31.79794323295934 1.5462e-05 deg
tp 2456889.674608797452
(2014-Aug-20.17460880)
5.4109e-05 JED
period 1254.708222497952
3.44
1.2763e-05
3.494e-08
d
yr
n .2869192960920342 2.9186e-09 deg/d
Q 2.689180412002712 1.8237e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      8823 days (24.16 yr)  
   first obs. used      1990-07-28  
   last obs. used      2014-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52126  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:03:37  

Additional Information
 Earth MOID = .861113 AU 
 T_jup = 3.582 
[ 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 14.1 mag n/a MPO263605  

30824 (1990 TD)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring (413)
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 TD = 1999 CU109 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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