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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1118252841058801 4.9488e-08  
a 2.709782519635067 2.0429e-08 au
q 2.406760319511728 1.3034e-07 au
i 13.34170976906571 5.6505e-06 deg
node 257.7732020285783 2.1667e-05 deg
peri 143.2782193157741 3.3759e-05 deg
M 60.19322769428361 2.53e-05 deg
tp 2458928.076095456157
(2020-Mar-19.57609546)
0.00011352 TDB
period 1629.296341008429
4.46
1.8424e-05
5.044e-08
d
yr
n .2209542800404151 2.4986e-09 deg/d
Q 3.012804719758406 2.2713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      2001-07-13  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52198  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:09:03  

Additional Information
 Earth MOID = 1.42914 au 
 Jupiter MOID = 2.36212 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 15.80   n/a MPCxxxxx  

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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