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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1804412675781036 5.6002e-08  
a 2.27777075733819 1.2918e-08 au
q 1.86676691463175 1.2806e-07 au
i 5.00607102931327 4.6209e-06 deg
node 254.2177853243217 6.3678e-05 deg
peri 74.64547523781224 6.4803e-05 deg
M 203.8465808107326 1.1962e-05 deg
tp 2458145.143649072408
(2018-Jan-26.64364907)
4.2541e-05 JED
period 1255.635097099066
3.44
1.0682e-05
2.925e-08
d
yr
n .286707500317345 2.4391e-09 deg/d
Q 2.68877460004463 1.5249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1323  
   data-arc span      9358 days (25.62 yr)  
   first obs. used      1990-07-28  
   last obs. used      2016-03-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52177  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:05:03  

Additional Information
 Earth MOID = .862437 au 
 Jupiter MOID = 2.65059 au 
 T_jup = 3.581 
[ 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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