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359629 (2011 QX20)
Classification: Main-belt Asteroid          SPK-ID: 2359629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603799609758176 5.4056e-08  
a 2.34740920229671 2.2067e-08 au
q 1.970931806038089 1.2017e-07 au
i 1.912754550691063 6.4979e-06 deg
node 263.034306614854 0.00019123 deg
peri 128.8641062283212 0.00019324 deg
M 120.1015502343117 2.953e-05 deg
tp 2458562.244128295465
(2019-Mar-19.74412830)
0.0001039 TDB
period 1313.655931216773
3.60
1.8524e-05
5.072e-08
d
yr
n .2740443608141367 3.8643e-09 deg/d
Q 2.723886598555332 2.5607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      5589 days (15.30 yr)  
   first obs. used      2004-10-13  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43586  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:45:13  

Additional Information
 Earth MOID = .977445 au 
 Jupiter MOID = 2.70791 au 
 T_jup = 3.542 
[ 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 18.0   n/a MPO455595  

359629 (2011 QX20)          Discovered 2008-Dec-21 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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