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91874 (1999 UW43)
Classification: Main-belt Asteroid          SPK-ID: 2091874
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08660965466388858 3.5142e-08  
a 2.986114266773036 2.1324e-08 au
q 2.727487941340913 1.024e-07 au
i 4.599499050211781 4.3994e-06 deg
node 323.3538698979736 4.7066e-05 deg
peri 327.1106952805184 5.4051e-05 deg
M 170.4565002371219 2.6457e-05 deg
tp 2458504.080344257194
(2019-Jan-20.58034426)
0.00013873 TDB
period 1884.768698292469
5.16
2.0189e-05
5.527e-08
d
yr
n .1910048698952539 2.046e-09 deg/d
Q 3.24474059220516 2.3171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      956  
   data-arc span      8212 days (22.48 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:48:12  

Additional Information
 Earth MOID = 1.71239 au 
 Jupiter MOID = 1.91824 au 
 T_jup = 3.247 
[ 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 14.60   n/a MPCxxxxx  

91874 (1999 UW43)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 UW43 = 2000 YN110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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