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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812007814381263 5.702e-08  
a 2.27664969611377 1.5256e-08 AU
q 1.864118992117082 1.3145e-07 AU
i 5.007976156634927 5.369e-06 deg
node 254.2745438821447 7.0134e-05 deg
peri 74.51022723353857 7.2235e-05 deg
M 31.7979426753451 1.5056e-05 deg
tp 2456889.674610665020
(2014-Aug-20.17461067)
5.2738e-05 JED
period 1254.708223357085
3.44
1.2612e-05
3.453e-08
d
yr
n .286919295895573 2.884e-09 deg/d
Q 2.689180400110458 1.802e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      8950 days (24.50 yr)  
   first obs. used      1990-07-28  
   last obs. used      2015-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50617  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:36:40  

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
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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