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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08233604160292 1.5022e-08  
a 3.236189287228252 1.6752e-08 au
q 2.969734271440103 5.2719e-08 au
i 23.54235121074026 8.9782e-07 deg
node 139.8197856495528 1.8923e-06 deg
peri 221.7348801676329 1.3842e-05 deg
M 160.3326652356313 1.6324e-05 deg
tp 2458449.458932993661
(2018-Nov-26.95893299)
9.4871e-05 TDB
period 2126.421235630497
5.82
1.6511e-05
4.52e-08
d
yr
n .1692985350069916 1.3145e-09 deg/d
Q 3.502644303016401 1.8131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3112  
   data-arc span      11126 days (30.46 yr)  
   first obs. used      1990-12-22  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:28:43  

Additional Information
 Earth MOID = 1.99049 au 
 Jupiter MOID = 1.92684 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2003-Oct-13 05:36 < 00:01 Jupiter 1.95471168594148 1.9547115175421 1.95471185434107 6.14988716728338 6.07901843790478 2452925.733631911 0.242390901291815 40.6142728025648 5.23727121133861 -80.5280625652727 26784797.9117065 T 39 CATAB v2.0g-lin.ifort 2021-Jul-08 02:30:03 2021-Jul-08 02:30
2015-Apr-13 13:52 < 00:01 Jupiter 1.91518853214745 1.91518840517213 1.91518865912277 6.20944870886682 6.13781081003647 2457126.077786206 0.0373585670464592 16.9363058786265 4.81388071809237 -75.609873675221 24186846.7764989 T 39 CATAB v2.0g-lin.ifort 2021-Jul-08 02:30:03 2021-Jul-08 02:30
2026-Oct-06 21:06 < 00:01 Jupiter 1.9348281958301 1.93482804027995 1.93482835138025 6.19769381283563 6.12665123828828 2461320.379236917 0.23626991149991 37.3220538702598 7.53104605418642 87.6762448452573 20914860.3721602 T 39 CATAB v2.0g-lin.ifort 2021-Jul-08 02:30:03 2021-Jul-08 02:30

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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