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5295 Masayo (1991 CE)
Classification: Main-belt Asteroid          SPK-ID: 2005295
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08852997943584237 3.1511e-08  
a 3.153756476421935 1.587e-08 au
q 2.874554480418646 9.5087e-08 au
i 6.313928277812396 4.3148e-06 deg
node 82.23262775813456 3.1346e-05 deg
peri 86.88943875229332 4.081e-05 deg
M 104.8824359968927 2.5017e-05 deg
tp 2458604.507321203697
(2019-May-01.00732120)
0.00014243 TDB
period 2045.693946058096
5.60
1.5441e-05
4.228e-08
d
yr
n .1759794033187095 1.3283e-09 deg/d
Q 3.432958472425223 1.7275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2500  
   data-arc span      24208 days (66.28 yr)  
   first obs. used      1954-06-30  
   last obs. used      2020-10-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:22:44  

Additional Information
 Earth MOID = 1.88958 au 
 Jupiter MOID = 1.57346 au 
 T_jup = 3.191 
[ 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 12.01   n/a E2021B10  
diameter diameter 21.045 km 0.299 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5295 Masayo (1991 CE)          Discovered 1991-Feb-05 by Mizuno and Furuta at Kani
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 CE = 1952 BX1 = 1969 EQ1 = 1978 WD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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