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JPL Small-Body Database Browser
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442268 (2011 QL45)
Classification: Main-belt Asteroid          SPK-ID: 2442268
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2382826804338258 8.8139e-08  
a 2.641723273624568 4.2724e-08 au
q 2.012246371020885 2.6002e-07 au
i 13.22642998364224 5.5936e-06 deg
node 169.8182494128555 2.8422e-05 deg
peri 128.4478377804396 3.6279e-05 deg
M 305.5561015084103 2.2229e-05 deg
tp 2458837.678940784257
(2019-Dec-20.17894078)
0.00010109 TDB
period 1568.300967564301
4.29
3.8045e-05
1.042e-07
d
yr
n .229547776508172 5.5686e-09 deg/d
Q 3.271200176228251 5.2904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      4900 days (13.42 yr)  
   first obs. used      2006-03-25  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:55  

Additional Information
 Earth MOID = 1.02561 au 
 Jupiter MOID = 2.13319 au 
 T_jup = 3.317 
[ 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 17.1   n/a E2014D58  

442268 (2011 QL45)          Discovered 2010-Mar-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 QL45 = 2010 EX100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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