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JPL Small-Body Database Browser
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392513 (2011 QR18)
Classification: Main-belt Asteroid          SPK-ID: 2392513
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2031170310213271 4.0223e-07  
a 2.568102067061586 8.7337e-08 au
q 2.046476799840304 1.1004e-06 au
i 6.831382619406096 6.5833e-06 deg
node 220.8372346864402 9.2496e-05 deg
peri 85.63421508267753 0.00013126 deg
M 69.41403330790725 5.1952e-05 deg
tp 2458710.657793935276
(2019-Aug-15.15779394)
0.00023013 TDB
period 1503.200278255757
4.12
7.6682e-05
2.099e-07
d
yr
n .2394890456098952 1.2217e-08 deg/d
Q 3.089727334282868 1.0508e-07 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55199  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:08:57  

Additional Information
 Earth MOID = 1.04558 au 
 Jupiter MOID = 2.20587 au 
 T_jup = 3.392 
[ 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 17.5   n/a MPO476851  

392513 (2011 QR18)          Discovered 2003-Oct-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 QR18 = 2003 TY36 = 2007 RA52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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