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150314 (1999 UQ54)
Classification: Main-belt Asteroid          SPK-ID: 2150314
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04333873647084018 4.599e-08  
a 3.100968178655407 2.9507e-08 au
q 2.9665761359562 1.3613e-07 au
i 3.02140718885818 5.1732e-06 deg
node 196.8080497889067 0.00010258 deg
peri 319.3725103972168 0.0001226 deg
M 167.1895779471399 6.8434e-05 deg
tp 2458274.201220098138
(2018-Jun-04.70122010)
0.00037684 TDB
period 1994.547536151459
5.46
2.8468e-05
7.794e-08
d
yr
n .180492063224841 2.5762e-09 deg/d
Q 3.235360221354615 3.0785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      8981 days (24.59 yr)  
   first obs. used      1995-12-18  
   last obs. used      2020-07-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:18:01  

Additional Information
 Earth MOID = 1.9761 au 
 Jupiter MOID = 1.74279 au 
 T_jup = 3.218 
[ 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 15.98   n/a E2021B55  

150314 (1999 UQ54)          Discovered 1999-Oct-19 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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