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452139 (2015 QU)
Classification: Main-belt Asteroid          SPK-ID: 2452139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962466580718623 6.5692e-08  
a 2.615967537435683 2.2471e-08 au
q 2.102592650589451 1.8347e-07 au
i 4.672199662366326 3.876e-06 deg
node 86.70811903268401 7.6566e-05 deg
peri 301.0864205814208 7.8218e-05 deg
M 25.45477209446922 1.5051e-05 deg
tp 2458891.226799164748
(2020-Feb-11.72679916)
6.3925e-05 TDB
period 1545.421508968762
4.23
1.9913e-05
5.452e-08
d
yr
n .232946156055653 3.0015e-09 deg/d
Q 3.129342424281916 2.6881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      9209 days (25.21 yr)  
   first obs. used      1994-11-06  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:33:40  

Additional Information
 Earth MOID = 1.11214 au 
 Jupiter MOID = 2.32423 au 
 T_jup = 3.375 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO495254  

452139 (2015 QU)          Discovered 2003-Dec-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 QU = 2004 BM32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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