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JPL Small-Body Database Browser
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268297 (2005 QL87)
Classification: Main-belt Asteroid          SPK-ID: 2268297
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736394453028131 5.8199e-08  
a 2.227231901985116 1.4099e-08 au
q 1.840496589963691 1.2792e-07 au
i 6.858732188189292 6.9625e-06 deg
node 202.1492085595166 4.3367e-05 deg
peri 48.75171375027904 4.9243e-05 deg
M 106.6307526107467 2.7535e-05 deg
tp 2458240.894306967241
(2018-May-02.39430697)
9.1156e-05 TDB
period 1214.077987092308
3.32
1.1528e-05
3.156e-08
d
yr
n .2965213139743952 2.8155e-09 deg/d
Q 2.613967214006541 1.6547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      7838 days (21.46 yr)  
   first obs. used      1998-06-19  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:26:29  

Additional Information
 Earth MOID = .835203 au 
 Jupiter MOID = 2.42479 au 
 T_jup = 3.616 
[ 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 16.8   n/a MPO360379  

268297 (2005 QL87)          Discovered 2005-Aug-31 by LINEAR at Socorro
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2005 QL87 = 2009 WV4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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