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190173 (2005 UJ354)
Classification: Main-belt Asteroid          SPK-ID: 2190173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901383235672493 4.6152e-08  
a 2.26235843523533 1.0676e-08 au
q 1.832197395051459 1.0668e-07 au
i 3.81584190222897 3.6401e-06 deg
node 273.8116865635354 7.0432e-05 deg
peri 73.56796724788506 7.1287e-05 deg
M 201.1312739035023 1.1059e-05 deg
tp 2459748.999781645574
(2022-Jun-18.49978165)
4.0243e-05 TDB
period 1242.912473991064
3.40
8.7976e-06
2.409e-08
d
yr
n .2896422777414238 2.0502e-09 deg/d
Q 2.692519475419201 1.2706e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      7862 days (21.52 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51729  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:04:45  

Additional Information
 Earth MOID = .827987 au 
 Jupiter MOID = 2.73471 au 
 T_jup = 3.592 
[ 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 16.82   n/a E2021B55  

190173 (2005 UJ354)          Discovered 2005-Oct-29 by CSS at Catalina
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25

[ show close-approach data ]
Alternate Designations
 2005 UJ354 = 1998 RQ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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