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JPL Small-Body Database Browser
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226555 (2003 WT27)
Classification: Outer Main-belt Asteroid          SPK-ID: 2226555
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014178415543138 6.518e-08  
a 3.208215080527546 4.4138e-08 au
q 2.882844831818443 2.0778e-07 au
i 13.64431831241184 6.3671e-06 deg
node 251.0149813704396 3.0857e-05 deg
peri 270.5751351052239 4.5752e-05 deg
M 146.5180967431363 3.6953e-05 deg
tp 2457746.255072612121
(2016-Dec-23.75507261)
0.00021024 TDB
period 2098.90914976032
5.75
4.3315e-05
1.186e-07
d
yr
n .1715176667084944 3.5396e-09 deg/d
Q 3.533585329236649 4.8614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6252 days (17.12 yr)  
   first obs. used      2002-09-11  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:53:59  

Additional Information
 Earth MOID = 1.93347 au 
 Jupiter MOID = 1.72225 au 
 T_jup = 3.140 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457307.5 (2015-Oct-12.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09952448405193881 6.5721e-08  
q 2.890441172783383 2.0904e-07 au
tp 2457751.729437881555
(2016-Dec-29.22943788)
0.00021316 TDB
node 251.1072188129462 3.0925e-05 deg
peri 271.7300145602874 4.6174e-05 deg
i 13.62269727531633 6.3598e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6252 days (17.12 yr)  
   first obs. used      2002-09-11  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:53:59  

Additional Information
 Jupiter MOID = 1.72225 au 
 T_jup = 3.140 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.319193424936398E-15 -1.349240300730197E-14 -1.761720947941913E-12 -6.440688655692877E-15 -2.253708841830911E-13 7.939069895679798E-15
q -1.349240300730197E-14 4.369726684956457E-14 7.647017093448545E-12 2.100482963098404E-14 9.793008029234543E-13 -2.098012697192412E-14
tp -1.761720947941913E-12 7.647017093448545E-12 4.543850823905534E-8 -4.880935770187004E-11 7.387848231882912E-9 -1.275764096519261E-12
node -6.440688655692877E-15 2.100482963098404E-14 -4.880935770187004E-11 9.563591805792982E-10 -9.374153074886088E-10 1.344537883211875E-11
peri -2.253708841830911E-13 9.793008029234543E-13 7.387848231882912E-9 -9.374153074886088E-10 2.132002834154828E-9 -1.344993322964787E-11
i 7.939069895679798E-15 -2.098012697192412E-14 -1.275764096519261E-12 1.344537883211875E-11 -1.344993322964787E-11 4.044768556683286E-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 15.0   n/a MPO494243  
diameter diameter 4.733 km 1.268 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226555 (2003 WT27)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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