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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961265960466571 6.5835e-08  
a 2.616062883878127 2.2852e-08 au
q 2.102983375419109 1.8396e-07 au
i 4.672223346954284 3.9211e-06 deg
node 86.70773969886531 7.6635e-05 deg
peri 301.0168142649892 7.8288e-05 deg
M 292.3235213982142 1.4626e-05 deg
tp 2458891.040010518495
(2020-Feb-11.54001052)
6.4562e-05 TDB
period 1545.506000719993
4.23
2.025e-05
5.544e-08
d
yr
n .2329334210493454 3.0521e-09 deg/d
Q 3.129142392337145 2.7333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      9123 days (24.98 yr)  
   first obs. used      1994-11-06  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:47:47  

Additional Information
 Earth MOID = 1.11183 au 
 Jupiter MOID = 2.32219 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 17.2   n/a MPO402835  

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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