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JPL Small-Body Database Browser
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461699 (2005 QA161)
Classification: Main-belt Asteroid          SPK-ID: 2461699
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1004086623288868 1.6576e-07  
a 2.658243041193459 2.8994e-08 au
q 2.391332413282152 4.3946e-07 au
i 22.29532094752101 1.66e-05 deg
node .2999858970235244 1.6278e-05 deg
peri 25.04018267498446 6.7754e-05 deg
M 27.95659108557777 5.9503e-05 deg
tp 2458477.565955865536
(2018-Dec-25.06595587)
0.00026161 TDB
period 1583.034775339186
4.33
2.59e-05
7.091e-08
d
yr
n .2274113023972359 3.7207e-09 deg/d
Q 2.925153669104767 3.1905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5183 days (14.19 yr)  
   first obs. used      2005-08-26  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55801  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:05:54  

Additional Information
 Earth MOID = 1.40159 au 
 Jupiter MOID = 2.54451 au 
 T_jup = 3.273 
[ 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 16.5   n/a MPO460704  

461699 (2005 QA161)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-03-24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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