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4704 Sheena (1988 BE5)
Classification: Main-belt Asteroid          SPK-ID: 2004704
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312114263022352 1.8978e-08  
a 2.62499756932388 9.741e-09 au
q 2.280567894212993 5.2077e-08 au
i 12.16793566192579 5.3964e-07 deg
node 220.8191907032874 7.2138e-06 deg
peri 281.0729676902259 1.2019e-05 deg
M 270.3693708973278 1.1558e-05 deg
tp 2459587.263720382935
(2022-Jan-07.76372038)
5.0686e-05 TDB
period 1553.430347770543
4.25
8.6469e-06
2.367e-08
d
yr
n .2317451828571947 1.29e-09 deg/d
Q 2.969427244434767 1.1019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2094  
   data-arc span      17325 days (47.43 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44898  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:39:49  

Additional Information
 Earth MOID = 1.3288 au 
 Jupiter MOID = 2.1675 au 
 T_jup = 3.359 
[ 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 13.65   n/a E2021B10  
diameter diameter 5.126 km 0.507 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.268   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4704 Sheena (1988 BE5)          Discovered 1988-Jan-28 by McNaught, R. H. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 BE5 = 5027 T-2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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