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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1005903945855103 1.4772e-07  
a 2.657988656502158 2.8325e-08 au
q 2.390620528740796 3.8838e-07 au
i 22.29708031714364 1.4471e-05 deg
node .2871895319086334 1.6182e-05 deg
peri 24.96465989549955 6.4097e-05 deg
M 118.9920393163523 5.555e-05 deg
tp 2458477.329173488032
(2018-Dec-24.82917349)
0.00024458 TDB
period 1582.807544323058
4.33
2.5301e-05
6.927e-08
d
yr
n .2274439500185516 3.6357e-09 deg/d
Q 2.925356784263521 3.1174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      5350 days (14.65 yr)  
   first obs. used      2005-08-26  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51141  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:18:43  

Additional Information
 Earth MOID = 1.40163 au 
 Jupiter MOID = 2.54386 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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