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317585 (2002 WW27)
Classification: Main-belt Asteroid          SPK-ID: 2317585
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04694299556838594 4.3198e-08  
a 3.161157153224884 3.0368e-08 au
q 3.012762966990076 1.3545e-07 au
i 8.279461267574069 4.7439e-06 deg
node 230.9076634589116 3.6851e-05 deg
peri 254.1635239503785 7.488e-05 deg
M 55.74974531664293 6.2301e-05 deg
tp 2459078.587251274405
(2020-Aug-17.08725127)
0.00035621 TDB
period 2052.898876778329
5.62
2.9582e-05
8.099e-08
d
yr
n .1753617794194315 2.5269e-09 deg/d
Q 3.309551339459691 3.1793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      7179 days (19.66 yr)  
   first obs. used      2001-09-16  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:04:09  

Additional Information
 Earth MOID = 2.04281 au 
 Jupiter MOID = 1.79653 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457613.5 (2016-Aug-13.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04765015091985945 4.3673e-08  
q 3.00931483069967 1.3754e-07 au
tp 2457035.226488152028
(2015-Jan-12.72648815)
0.00035497 TDB
node 230.9332772589665 3.685e-05 deg
peri 255.7164491704673 7.3591e-05 deg
i 8.280358740650296 4.7446e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      7179 days (19.66 yr)  
   first obs. used      2001-09-16  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:04:09  

Additional Information
 Jupiter MOID = 1.79653 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.907351778543912E-15 -5.875976026996019E-15 4.579222234229712E-12 6.555247063148126E-15 8.235410193249321E-13 -2.502481394116986E-15
q -5.875976026996019E-15 1.89172657031427E-14 -1.759259490768066E-11 -1.596438875127193E-14 -3.126621714040341E-12 8.94159766104295E-15
tp 4.579222234229712E-12 -1.759259490768066E-11 1.260044113369221E-7 -5.811399200181244E-11 2.265440785397959E-8 -6.910464194267352E-12
node 6.555247063148126E-15 -1.596438875127193E-14 -5.811399200181244E-11 1.357934896849483E-9 -1.353656797969104E-9 -5.545738945887602E-11
peri 8.235410193249321E-13 -3.126621714040341E-12 2.265440785397959E-8 -1.353656797969104E-9 5.415611259224232E-9 5.375625435452719E-11
i -2.502481394116986E-15 8.94159766104295E-15 -6.910464194267352E-12 -5.545738945887602E-11 5.375625435452719E-11 2.251140322716732E-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 15.65   n/a MPCxxxxx  

317585 (2002 WW27)          Discovered 2002-Nov-24 by NEAT at Palomar
Reference: 20120308/Numbers.arcLast Updated: 2012-03-13

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Alternate Designations
 2002 WW27 = 2005 LD29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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