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109222 (2001 QN87)
Classification: Main-belt Asteroid          SPK-ID: 2109222
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280715368727754 4.7405e-08  
a 2.587930627151776 1.5163e-08 au
q 2.256490374412322 1.1733e-07 au
i 12.74290564107901 6.2013e-06 deg
node 219.7091858223279 1.5321e-05 deg
peri 224.1909896549323 2.9602e-05 deg
M 101.4368525530496 2.1893e-05 deg
tp 2458572.029785656291
(2019-Mar-29.52978566)
9.3704e-05 TDB
period 1520.643368573229
4.16
1.3364e-05
3.659e-08
d
yr
n .2367418998037499 2.0806e-09 deg/d
Q 2.919370879891229 1.7104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      6829 days (18.70 yr)  
   first obs. used      2001-08-17  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:02:02  

Additional Information
 Earth MOID = 1.28871 au 
 Jupiter MOID = 2.42221 au 
 T_jup = 3.375 
[ 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 15.3   n/a MPO268013  

109222 (2001 QN87)          Discovered 2001-Aug-17 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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