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215541 (2002 WU16)
Classification: Main-belt Asteroid          SPK-ID: 2215541
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366815365899811 5.326e-08  
a 2.616100370659448 1.8924e-08 au
q 2.258527752124096 1.4363e-07 au
i 14.05909038789014 6.5037e-06 deg
node 234.7601543185144 2.4042e-05 deg
peri 84.20282097800818 3.4796e-05 deg
M 148.5052116549261 2.3465e-05 deg
tp 2458362.942697154946
(2018-Sep-01.44269715)		 0.0001004 TDB
period 1545.539220250026
4.23		 1.677e-05
4.591e-08		 d
yr
n .2329284144220952 2.5274e-09 deg/d
Q 2.973672989194801 2.151e-08 au
   Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      7206 days (19.73 yr)  
   first obs. used      2000-05-02  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57484  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:24:35  

Additional Information
 Earth MOID = 1.29767 au 
 Jupiter MOID = 2.35827 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456735.5 (2014-Mar-19.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384389121969264 5.3439e-08  
q 2.253359596236936 1.4431e-07 au
tp 2456816.865633141057
(2014-Jun-08.36563314)		 9.9473e-05 TDB
node 234.8431577068952 2.4086e-05 deg
peri 83.91456684150191 3.4513e-05 deg
i 14.04782732611013 6.5005e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      7206 days (19.73 yr)  
   first obs. used      2000-05-02  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57484  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:24:35  

Additional Information
 Jupiter MOID = 2.35827 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.855755089825422E-15 -7.664939694468231E-15 1.154738476044588E-12 8.279000039893093E-16 2.177375306167183E-13 -8.708161503724346E-15
q -7.664939694468231E-15 2.082575666632632E-14 -3.261613628113852E-12 2.635011252346134E-16 -6.401710576176087E-13 2.515864896995468E-14
tp 1.154738476044588E-12 -3.261613628113852E-12 9.894805296686934E-9 -1.218169694011195E-11 2.488456015914272E-9 -5.286516960520535E-12
node 8.279000039893093E-16 2.635011252346134E-16 -1.218169694011195E-11 5.801200709157698E-10 -5.651905126576062E-10 -4.796701640395065E-11
peri 2.177375306167183E-13 -6.401710576176087E-13 2.488456015914272E-9 -5.651905126576062E-10 1.19116268539334E-9 4.509968199614713E-11
i -8.708161503724346E-15 2.515864896995468E-14 -5.286516960520535E-12 -4.796701640395065E-11 4.509968199614713E-11 4.225688197816785E-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 15.4   n/a MPO264532  
diameter diameter 1.816 km 0.487 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.446   0.302 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215541 (2002 WU16)          Discovered 2002-Nov-28 by NEAT at Haleakala
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2002 WU16 = 2006 US60 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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