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JPL Small-Body Database Browser
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249865 (2001 QN162)
Classification: Main-belt Asteroid          SPK-ID: 2249865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594077718028755 5.2953e-08  
a 2.720317728639531 2.0155e-08 au
q 2.286677940921245 1.4818e-07 au
i 5.321531886116023 5.7458e-06 deg
node 153.8949500510431 5.8211e-05 deg
peri 210.8799475325738 6.1189e-05 deg
M 313.5855587530082 1.6527e-05 deg
tp 2458811.789784690119
(2019-Nov-24.28978469)
7.5322e-05 TDB
period 1638.807242850792
4.49
1.8213e-05
4.986e-08
d
yr
n .2196719605496501 2.4413e-09 deg/d
Q 3.153957516357818 2.3367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6595 days (18.06 yr)  
   first obs. used      2001-08-16  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:12  

Additional Information
 Earth MOID = 1.28543 au 
 Jupiter MOID = 2.30061 au 
 T_jup = 3.334 
[ 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 16.5   n/a MPO450108  

249865 (2001 QN162)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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