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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08826373885351062 3.1591e-08  
a 3.158598128785723 1.617e-08 au
q 2.879808448403393 9.5246e-08 au
i 6.302772812847375 4.2357e-06 deg
node 82.14733095535746 3.1115e-05 deg
peri 88.11041870339722 4.0064e-05 deg
M 138.0977631428652 2.4371e-05 deg
tp 2458609.953992686208
(2019-May-06.45399269)
0.00013917 TDB
period 2050.406582907744
5.61
1.5746e-05
4.311e-08
d
yr
n .1755749337721464 1.3483e-09 deg/d
Q 3.437387809168053 1.7598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2605  
   data-arc span      24467 days (66.99 yr)  
   first obs. used      1954-06-30  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:47:51  

Additional Information
 Earth MOID = 1.89562 au 
 Jupiter MOID = 1.5669 au 
 T_jup = 3.190 
[ 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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