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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1116475924192643 5.4263e-08  
a 2.709264036106147 2.1471e-08 au
q 2.406781229246797 1.4621e-07 au
i 13.34295169640914 5.9988e-06 deg
node 257.7741041173292 2.3404e-05 deg
peri 143.252662876386 3.497e-05 deg
M 16.03010713622498 2.5269e-05 deg
tp 2458927.971390878424
(2020-Mar-19.47139088)
0.00011406 TDB
period 1628.828744679
4.46
1.9362e-05
5.301e-08
d
yr
n .2210177105334341 2.6273e-09 deg/d
Q 3.011746842965497 2.3868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      7041 days (19.28 yr)  
   first obs. used      2001-07-13  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56379  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:14:52  

Additional Information
 Earth MOID = 1.43 au 
 Jupiter MOID = 2.36246 au 
 T_jup = 3.316 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457516.5 (2016-May-08.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112496423844248 5.4186e-08  
q 2.407804533012064 1.4586e-07 au
tp 2457291.974786173597
(2015-Sep-26.47478617)
0.00010979 TDB
node 257.8877379283248 2.3474e-05 deg
peri 141.7927497824721 3.5056e-05 deg
i 13.32006200195157 5.9919e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      7041 days (19.28 yr)  
   first obs. used      2001-07-13  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56379  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:14:52  

Additional Information
 Jupiter MOID = 2.36246 au 
 T_jup = 3.316 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.936068434492993E-15 -7.835321153020581E-15 3.686509312847721E-14 1.014030658569872E-14 1.923407674074144E-14 -3.198895184351109E-15
q -7.835321153020581E-15 2.127579106007371E-14 2.669990169470125E-13 -2.829281860691066E-14 3.798306366446769E-14 1.071697735180749E-14
tp 3.686509312847721E-14 2.669990169470125E-13 1.20543176575678E-8 -1.682490654244774E-11 2.888768333557841E-9 1.494528234176346E-11
node 1.014030658569872E-14 -2.829281860691066E-14 -1.682490654244774E-11 5.510302980716339E-10 -5.393875790709368E-10 -2.318871605159456E-11
peri 1.923407674074144E-14 3.798306366446769E-14 2.888768333557841E-9 -5.393875790709368E-10 1.228953449111508E-9 2.585771246540776E-11
i -3.198895184351109E-15 1.071697735180749E-14 1.494528234176346E-11 -2.318871605159456E-11 2.585771246540776E-11 3.590282061118318E-11

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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