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249867 (2001 QP170)
Classification: Main-belt Asteroid          SPK-ID: 2249867
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05446891841637598 4.1523e-08  
a 2.671198987624269 1.9156e-08 au
q 2.525701667893457 1.1809e-07 au
i 13.44804191839357 4.633e-06 deg
node 335.4971514557876 1.8635e-05 deg
peri 102.2875312343047 5.7797e-05 deg
M 15.21791170675998 5.1149e-05 deg
tp 2458933.092169721527
(2020-Mar-24.59216972)
0.00022678 TDB
period 1594.622137902835
4.37
1.7153e-05
4.696e-08
d
yr
n .2257588123500239 2.4285e-09 deg/d
Q 2.816696307355082 2.02e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6726 days (18.41 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:27:48  

Additional Information
 Earth MOID = 1.58124 au 
 Jupiter MOID = 2.30585 au 
 T_jup = 3.340 
[ 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 15.9   n/a MPO503177  

249867 (2001 QP170)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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