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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181290516124644 3.9383e-08  
a 2.372661689943276 8.788e-09 au
q 1.855115245718722 9.3389e-08 au
i 12.42586524848844 4.6103e-06 deg
node 232.2778772319279 1.6068e-05 deg
peri 139.9984678168221 1.8563e-05 deg
M 57.16365767230036 9.4754e-06 deg
tp 2458988.532311988657
(2020-May-19.03231199)
3.4563e-05 TDB
period 1334.910514675833
3.65
7.4165e-06
2.031e-08
d
yr
n .2696809981210027 1.4983e-09 deg/d
Q 2.89020813416783 1.0705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      9624 days (26.35 yr)  
   first obs. used      1994-10-08  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49113  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:45:28  

Additional Information
 Earth MOID = .873737 au 
 Jupiter MOID = 2.62911 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 15.23   n/a E2021B10  
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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