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46592 Marinawatanabe (1992 YP)
Classification: Main-belt Asteroid          SPK-ID: 2046592
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260510521878756 2.6524e-08  
a 2.282495227756576 6.1471e-09 au
q 1.994784302684055 6.1452e-08 au
i 5.536816529124403 3.4889e-06 deg
node 112.8737720406566 3.2212e-05 deg
peri 293.4553456042991 3.542e-05 deg
M 68.23504162076142 1.4568e-05 deg
tp 2458961.763839956933
(2020-Apr-22.26383996)
5.0825e-05 TDB
period 1259.543712058854
3.45
5.0882e-06
1.393e-08
d
yr
n .2858177898498996 1.1546e-09 deg/d
Q 2.570206152829097 6.9219e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1756  
   data-arc span      10321 days (28.26 yr)  
   first obs. used      1992-12-16  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:39:23  

Additional Information
 Earth MOID = 1.01137 au 
 Jupiter MOID = 2.7754 au 
 T_jup = 3.588 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.86   n/a MPCxxxxx  
diameter diameter 2.688 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.322   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46592 Marinawatanabe           Discovered 1992 Dec. 16 by T. Seki at Geisei.
Marina Watanabe (1990-2019), together with her mother Yoshie, acted as a manager/producer for her father, Junichi Watanabe on his outreach activities in astronomy and planetary sciences.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2020-11-17Last Updated: 2020-12-17

Alternate Designations
 1992 YP = 1999 XS159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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