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108911 (2001 PW11)
Classification: Main-belt Asteroid          SPK-ID: 2108911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2415213120138913 8.3611e-08  
a 2.98028415732603 2.3593e-08 au
q 2.260482017474433 2.3911e-07 au
i 8.702026743007664 6.8961e-06 deg
node 49.99966633209624 3.3626e-05 deg
peri 326.0308287514206 3.5259e-05 deg
M 203.0512096632194 1.4004e-05 deg
tp 2459819.795199369319
(2022-Aug-28.29519937)
7.9095e-05 TDB
period 1879.251640869989
5.15
2.2315e-05
6.11e-08
d
yr
n .19156561695662 2.2747e-09 deg/d
Q 3.700086297177627 2.9291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      10274 days (28.13 yr)  
   first obs. used      1991-12-13  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49152  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:16:05  

Additional Information
 Earth MOID = 1.26868 au 
 Jupiter MOID = 1.77898 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456725.5 (2014-Mar-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2408703780843317 8.3678e-08  
q 2.263442921881487 2.3943e-07 au
tp 2456062.082613877018
(2012-May-14.58261388)
6.0458e-05 TDB
node 50.02458822830737 3.3618e-05 deg
peri 326.4185858345194 3.5252e-05 deg
i 8.701339918766838 6.8953e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      10274 days (28.13 yr)  
   first obs. used      1991-12-13  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49152  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:16:05  

Additional Information
 Jupiter MOID = 1.77898 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.002064420154006E-15 -1.999824705246028E-14 2.054296062745165E-12 6.309269661813736E-14 1.761015417351786E-13 -2.903093792032351E-15
q -1.999824705246028E-14 5.732777493243353E-14 -6.031005086413143E-12 -1.806453793144911E-13 -5.13553639547418E-13 9.779322974458198E-15
tp 2.054296062745165E-12 -6.031005086413143E-12 3.655118467272555E-9 2.553307446381511E-11 6.476779711959198E-10 -5.451055532863947E-12
node 6.309269661813736E-14 -1.806453793144911E-13 2.553307446381511E-11 1.130203323363708E-9 -1.112825065575483E-9 -1.691650087166252E-11
peri 1.761015417351786E-13 -5.13553639547418E-13 6.476779711959198E-10 -1.112825065575483E-9 1.242735064189148E-9 1.603602913062254E-11
i -2.903093792032351E-15 9.779322974458198E-15 -5.451055532863947E-12 -1.691650087166252E-11 1.603602913062254E-11 4.754490166295179E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO338035  

108911 (2001 PW11)          Discovered 2001-Aug-11 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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