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52447 (1994 TH16)
Classification: Main-belt Asteroid          SPK-ID: 2052447
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218502438932141 4.6794e-08  
a 2.37343585152757 9.4902e-09 au
q 1.854834329319814 1.1248e-07 au
i 12.43068312393369 4.879e-06 deg
node 232.2969083883091 1.6719e-05 deg
peri 139.850990561916 1.9235e-05 deg
M 255.520940790149 9.0597e-06 deg
tp 2458988.106835036794
(2020-May-18.60683504)
3.4658e-05 TDB
period 1335.563907911694
3.66
8.0104e-06
2.193e-08
d
yr
n .2695490630342811 1.6167e-09 deg/d
Q 2.892037373735328 1.1564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      9086 days (24.88 yr)  
   first obs. used      1994-10-08  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53116  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:20:58  

Additional Information
 Earth MOID = .874098 au 
 Jupiter MOID = 2.62403 au 
 T_jup = 3.480 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO436151  
diameter diameter 5.759 km 0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52447 (1994 TH16)          Discovered 1994-Oct-08 by Helin, E. F. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 TH16 = 1998 XW84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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