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5543 Sharaf (1978 TW2)
Classification: Main-belt Asteroid          SPK-ID: 2005543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0988575342929512 2.9045e-08  
a 2.255650950293276 6.4416e-09 au
q 2.032662859121731 6.4456e-08 au
i 2.460830960507967 3.8189e-06 deg
node 154.0622152595358 7.8983e-05 deg
peri 310.7578521534938 8.1761e-05 deg
M 33.88900201000268 2.0618e-05 deg
tp 2458884.016999438441
(2020-Feb-04.51699944)
7.0808e-05 TDB
period 1237.389055888511
3.39
5.3005e-06
1.451e-08
d
yr
n .2909351737732163 1.2463e-09 deg/d
Q 2.478639041464822 7.0783e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2093  
   data-arc span      24011 days (65.74 yr)  
   first obs. used      1954-07-28  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:22:33  

Additional Information
 Earth MOID = 1.0505 au 
 Jupiter MOID = 2.61341 au 
 T_jup = 3.616 
[ 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 14.0   n/a MPO416772  
diameter diameter 4.404 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.251   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

5543 Sharaf (1978 TW2)          Discovered 1978-Oct-03 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 TW2 = 1966 DE = 1968 UT1 = 1978 VN12 = 1983 CE4 = 1985 WV = 1988 RQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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