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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809023619493264 5.6384e-08  
a 2.276883960348496 1.4132e-08 au
q 1.864990274036916 1.2951e-07 au
i 5.00724742682058 4.948e-06 deg
node 254.2661159930846 6.6506e-05 deg
peri 74.54101491250381 6.8216e-05 deg
M 146.5648176909704 1.3258e-05 deg
tp 2456889.598703510228
(2014-Aug-20.09870351)
4.7e-05 JED
period 1254.901890057406
3.44
1.1683e-05
3.199e-08
d
yr
n .2868750161684208 2.6709e-09 deg/d
Q 2.688777646660075 1.6689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1214  
   data-arc span      9273 days (25.39 yr)  
   first obs. used      1990-07-28  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52645  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:15:01  

Additional Information
 Earth MOID = .859333 au 
 Jupiter MOID = 2.6494 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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