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10791 Uson (1992 CS)
Classification: Outer Main-belt Asteroid          SPK-ID: 2010791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08217683666644536 1.5029e-08  
a 3.236475798031023 1.6891e-08 au
q 2.970512455001324 5.2868e-08 au
i 23.54162009615612 8.9791e-07 deg
node 139.8196090490827 1.8937e-06 deg
peri 221.6951802396151 1.3874e-05 deg
M 127.2086164756108 1.6294e-05 deg
tp 2458449.013815202165
(2018-Nov-26.51381520)
9.5074e-05 TDB
period 2126.703630796024
5.82
1.6649e-05
4.558e-08
d
yr
n .1692760546354323 1.3252e-09 deg/d
Q 3.502439141060722 1.8279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2979  
   data-arc span      11049 days (30.25 yr)  
   first obs. used      1990-12-22  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:45:45  

Additional Information
 Earth MOID = 1.99013 au 
 Jupiter MOID = 1.92695 au 
 T_jup = 3.049 
[ 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 12.56   n/a MPCxxxxx  
diameter diameter 16.751 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.3207 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.052   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10791 Uson           Discovered 1992 Feb. 8 by T. Seki at Geisei.
Uson Morishita (1890-1965), born in Sagawa, Kochi prefecture, was one of the earliest mystery writers in Japan. He wrote many novels, mentored young writers, and is called the father of Japanese mystery novels.
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 2017-01-12Last Updated: 2017-01-17

[ show close-approach data ]
Alternate Designations
 1992 CS = 1990 YE1 = 1998 FU13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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