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JPL Small-Body Database Browser
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437877 (2001 QE227)
Classification: Main-belt Asteroid          SPK-ID: 2437877
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710063864070827 7.4936e-08  
a 2.32505701815098 1.4594e-08 au
q 1.927457419286554 1.7203e-07 au
i 8.653422892250601 6.5427e-06 deg
node 298.5704931784582 2.9738e-05 deg
peri 25.60003899614119 4.5398e-05 deg
M 6.346499038082092 2.694e-05 deg
tp 2458577.671332837221
(2019-Apr-04.17133284)
9.685e-05 TDB
period 1294.937591463644
3.55
1.2192e-05
3.338e-08
d
yr
n .2780056756195476 2.6175e-09 deg/d
Q 2.722656617015406 1.709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6657 days (18.23 yr)  
   first obs. used      2001-08-16  
   last obs. used      2019-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61983  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:03:47  

Additional Information
 Earth MOID = .917695 au 
 Jupiter MOID = 2.58899 au 
 T_jup = 3.540 
[ 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 17.6   n/a MPO346157  

437877 (2001 QE227)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-07-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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