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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953259247790417 6.4391e-08  
a 2.263732587842477 1.4636e-08 au
q 1.821566926669692 1.5069e-07 au
i 4.796575430460074 6.2311e-06 deg
node 349.9865436072199 5.9603e-05 deg
peri 335.6826046945715 6.1185e-05 deg
M 174.3997661581097 1.2321e-05 deg
tp 2457997.830089998429
(2017-Sep-01.33009000)
4.2295e-05 TDB
period 1244.045060266136
3.41
1.2065e-05
3.303e-08
d
yr
n .2893785856301587 2.8064e-09 deg/d
Q 2.705898249015262 1.7495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      6309 days (17.27 yr)  
   first obs. used      2000-07-30  
   last obs. used      2017-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59741  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:57:31  

Additional Information
 Earth MOID = .810351 au 
 Jupiter MOID = 2.62869 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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