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JPL Small-Body Database Browser
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108922 (2001 PU16)
Classification: Main-belt Asteroid          SPK-ID: 2108922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1118384634826379 5.5801e-08  
a 3.130301965061245 2.5875e-08 au
q 2.780213803052113 1.775e-07 au
i 17.7086680001542 6.8262e-06 deg
node 202.4995133899783 1.5061e-05 deg
peri 196.7487824568015 2.7723e-05 deg
M 79.03872805723684 2.3336e-05 deg
tp 2458556.364774479350
(2019-Mar-13.86477448)
0.00012985 TDB
period 2022.915665743617
5.54
2.5082e-05
6.867e-08
d
yr
n .1779609531412004 2.2065e-09 deg/d
Q 3.480390127070377 2.8769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      8504 days (23.28 yr)  
   first obs. used      1996-10-16  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:16:07  

Additional Information
 Earth MOID = 1.7905 au 
 Jupiter MOID = 1.97347 au 
 T_jup = 3.131 
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Orbital Elements at Epoch 2456808.5 (2014-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1084819502417959 5.5437e-08  
q 2.793377223381199 1.7504e-07 au
tp 2456535.755386033160
(2013-Aug-31.25538603)
0.00013229 TDB
node 202.6758429018203 1.5102e-05 deg
peri 197.2155720278694 2.8434e-05 deg
i 17.67226384995046 6.8178e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      8504 days (23.28 yr)  
   first obs. used      1996-10-16  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:16:07  

Additional Information
 Jupiter MOID = 1.97347 au 
 T_jup = 3.131 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.073276102864472E-15 -9.618501059228361E-15 -2.621987809075729E-12 1.237336504423071E-14 -5.099572440621899E-13 -1.101053496676847E-15
q -9.618501059228361E-15 3.063821779447003E-14 8.106737339360162E-12 -3.527951141365777E-14 1.591668031709868E-12 3.468081587052594E-15
tp -2.621987809075729E-12 8.106737339360162E-12 1.750028478036543E-8 -1.098755858875357E-11 3.206723821066739E-9 -7.974348893708294E-12
node 1.237336504423071E-14 -3.527951141365777E-14 -1.098755858875357E-11 2.280568981729057E-10 -2.188757057704154E-10 -2.032426952178748E-11
peri -5.099572440621899E-13 1.591668031709868E-12 3.206723821066739E-9 -2.188757057704154E-10 8.08520531202756E-10 1.771905407571898E-11
i -1.101053496676847E-15 3.468081587052594E-15 -7.974348893708294E-12 -2.032426952178748E-11 1.771905407571898E-11 4.648256222184547E-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 14.8   n/a MPO459508  
diameter diameter 7.115 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108922 (2001 PU16)          Discovered 2001-Aug-09 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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