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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .181200781850888 5.7054e-08  
a 2.276649696029347 1.5262e-08 AU
q 1.864118991108243 1.3154e-07 AU
i 5.007976116945261 5.3717e-06 deg
node 254.2745435837816 7.0182e-05 deg
peri 74.51022752843859 7.2282e-05 deg
M 31.79794271350495 1.5058e-05 deg
tp 2456889.674610538186
(2014-Aug-20.17461054)
5.2746e-05 JED
period 1254.708223287294
3.44
1.2617e-05
3.454e-08
d
yr
n .2869192959115323 2.8851e-09 deg/d
Q 2.689180400950451 1.8027e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1037  
   data-arc span      8922 days (24.43 yr)  
   first obs. used      1990-07-28  
   last obs. used      2014-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51514  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:23:56  

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 14.2 mag n/a MPO319463  

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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