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

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180944644615876 2.1072e-08  
a 2.277282470848521 8.1095e-09 au
q 1.865220403470871 4.868e-08 au
i 5.008603543024969 5.691e-07 deg
node 254.1287446031338 7.457e-06 deg
peri 74.84384808599702 8.0855e-06 deg
M 358.8480646768693 5.0111e-06 deg
tp 2459400.516514847220
(2021-Jul-05.01651485)
1.7492e-05 TDB
period 1255.231362355839
3.44
6.7049e-06
1.836e-08
d
yr
n .2867997174037668 1.532e-09 deg/d
Q 2.689344538226171 9.5768e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2042  
   data-arc span      11292 days (30.92 yr)  
   first obs. used      1990-07-28  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 06:46:16  

Additional Information
 Earth MOID = .860877 au 
 Jupiter MOID = 2.6604 au 
 T_jup = 3.581 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.28   n/a E2021B10  
diameter diameter 3.550 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.262   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

Alternate Designations
 1990 TD = 1999 CU109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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