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413016 (2000 QA221)
Classification: Main-belt Asteroid          SPK-ID: 2413016
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955610000354273 5.3736e-08  
a 2.263673703969043 1.4444e-08 au
q 1.820987410666957 1.2857e-07 au
i 4.796999317894342 5.2629e-06 deg
node 349.9844428613456 5.4422e-05 deg
peri 335.6582111762482 5.6003e-05 deg
M 290.2078575885968 1.202e-05 deg
tp 2459241.669950924270
(2021-Jan-27.16995092)
4.2193e-05 TDB
period 1243.996520710782
3.41
1.1906e-05
3.26e-08
d
yr
n .2893898769060117 2.7698e-09 deg/d
Q 2.706359997271129 1.7268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      7212 days (19.75 yr)  
   first obs. used      2000-07-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58006  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:06:35  

Additional Information
 Earth MOID = .810659 au 
 Jupiter MOID = 2.63102 au 
 T_jup = 3.588 
[ 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 17.5   n/a MPO427977  

413016 (2000 QA221)          Discovered 2000-Aug-21 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-11-10

Alternate Designations
 2000 QA221 = 2006 ES18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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