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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1281965311645477 5.1416e-08  
a 2.588695100905855 1.6245e-08 au
q 2.256833368727066 1.303e-07 au
i 12.742503141964 7.021e-06 deg
node 219.7162213523679 1.6247e-05 deg
peri 224.3092915041597 3.0056e-05 deg
M 6.637791246618277 2.2205e-05 deg
tp 2458572.449483082825
(2019-Mar-29.94948308)
9.3916e-05 TDB
period 1521.317214567063
4.17
1.432e-05
3.921e-08
d
yr
n .236637038319749 2.2275e-09 deg/d
Q 2.920556833084644 1.8327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      6363 days (17.42 yr)  
   first obs. used      2001-08-17  
   last obs. used      2019-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5154  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:59:47  

Additional Information
 Earth MOID = 1.28898 au 
 Jupiter MOID = 2.42116 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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