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249840 (2001 PT16)
Classification: Main-belt Asteroid          SPK-ID: 2249840
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1116475782903935 5.7033e-08  
a 2.709264038667367 2.233e-08 au
q 2.406781269800905 1.5534e-07 au
i 13.34295203974871 6.0855e-06 deg
node 257.7740867880883 2.4446e-05 deg
peri 143.2526825892613 3.5648e-05 deg
M 16.0301041330635 2.555e-05 deg
tp 2458927.971404363453
(2020-Mar-19.47140436)
0.00011529 TDB
period 1628.828746988735
4.46
2.0138e-05
5.513e-08
d
yr
n .2210177102200233 2.7325e-09 deg/d
Q 3.01174680753383 2.4823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      6709 days (18.37 yr)  
   first obs. used      2001-07-13  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:45:29  

Additional Information
 Earth MOID = 1.43 au 
 Jupiter MOID = 2.36246 au 
 T_jup = 3.316 
[ 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 15.7   n/a MPO454853  

249840 (2001 PT16)          Discovered 2001-Aug-09 by NEAT at Palomar
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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