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216531 (2001 QA135)
Classification: Main-belt Asteroid          SPK-ID: 2216531
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3408087848375792 1.4142e-07  
a 2.545536809211837 2.0141e-08 au
q 1.677995502505022 3.7117e-07 au
i 10.71148587867911 9.4955e-06 deg
node 215.520111358868 4.8795e-05 deg
peri 109.2167778154319 5.0023e-05 deg
M 286.238143513554 1.1562e-05 deg
tp 2459504.446283246451
(2021-Oct-16.94628325)
4.9901e-05 TDB
period 1483.431507568263
4.06
1.7606e-05
4.82e-08
d
yr
n .2426805674298609 2.8802e-09 deg/d
Q 3.413078115918652 2.7005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      8512 days (23.30 yr)  
   first obs. used      1997-10-24  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57092  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:12  

Additional Information
 Earth MOID = .70259 au 
 Jupiter MOID = 2.11558 au 
 T_jup = 3.336 
[ 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 16.55   n/a E2021B55  

216531 (2001 QA135)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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