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108950 (2001 PS28)
Classification: Main-belt Asteroid          SPK-ID: 2108950
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572770506063854 5.7132e-08  
a 2.642445126316648 1.3909e-08 au
q 2.226849150460348 1.5044e-07 au
i 14.88683232140116 4.7383e-06 deg
node 325.2213443008989 1.8291e-05 deg
peri 227.5494876633765 2.1037e-05 deg
M 260.0954195097605 1.2288e-05 deg
tp 2459435.901872761424
(2021-Aug-09.40187276)
5.499e-05 TDB
period 1568.943820443011
4.30
1.2387e-05
3.391e-08
d
yr
n .2294537225038112 1.8116e-09 deg/d
Q 3.058041102172948 1.6096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      6737 days (18.44 yr)  
   first obs. used      2001-08-14  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:16:46  

Additional Information
 Earth MOID = 1.2565 au 
 Jupiter MOID = 2.02027 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457437.5 (2016-Feb-19.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157720900840998 5.7203e-08  
q 2.224745345808183 1.5058e-07 au
tp 2457868.602775867236
(2017-Apr-25.10277587)
5.0608e-05 TDB
node 325.2692614995239 1.8279e-05 deg
peri 227.8098776605002 2.1015e-05 deg
i 14.89335967284234 4.7414e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      6737 days (18.44 yr)  
   first obs. used      2001-08-14  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:16:46  

Additional Information
 Jupiter MOID = 2.02027 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.272151532061295E-15 -8.587578079953457E-15 -3.970290552407837E-13 3.606591733191123E-14 -6.447943942727552E-14 9.209075187515734E-15
q -8.587578079953457E-15 2.267376800934993E-14 1.185129051260045E-12 -9.528419677458723E-14 1.90182081321966E-13 -2.273145040291549E-14
tp -3.970290552407837E-13 1.185129051260045E-12 2.561176635493345E-9 -2.106804955077126E-12 5.548439930330471E-10 3.879390610069456E-12
node 3.606591733191123E-14 -9.528419677458723E-14 -2.106804955077126E-12 3.341290117064971E-10 -3.225109189570949E-10 3.847534978120444E-11
peri -6.447943942727552E-14 1.90182081321966E-13 5.548439930330471E-10 -3.225109189570949E-10 4.416424770100048E-10 -3.625087059028311E-11
i 9.209075187515734E-15 -2.273145040291549E-14 3.879390610069456E-12 3.847534978120444E-11 -3.625087059028311E-11 2.248090386871725E-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 14.8   n/a MPO502753  

108950 (2001 PS28)          Discovered 2001-Aug-14 by Boattini, A., Tesi, L. at San Marcello
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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