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115948 (2003 WQ32)
Classification: Main-belt Asteroid          SPK-ID: 2115948
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07703024214101048 4.449e-08  
a 2.361538140391717 1.1661e-08 au
q 2.179628285612111 1.0701e-07 au
i 1.871197939139934 4.1273e-06 deg
node 278.239418902919 0.00014377 deg
peri 271.6738536327962 0.00014638 deg
M 129.4211424909783 2.7682e-05 deg
tp 2458723.966319038895
(2019-Aug-28.46631904)
0.00010141 TDB
period 1325.534003518446
3.63
9.8177e-06
2.688e-08
d
yr
n .2715886571332232 2.0115e-09 deg/d
Q 2.543447995171322 1.2559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      7034 days (19.26 yr)  
   first obs. used      2001-02-19  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:54  

Additional Information
 Earth MOID = 1.17989 au 
 Jupiter MOID = 2.41832 au 
 T_jup = 3.546 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456927.5 (2014-Sep-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07700158156834362 4.4308e-08  
q 2.178691613054193 1.0633e-07 au
tp 2457397.930221557603
(2016-Jan-10.43022156)
0.00010072 TDB
node 278.3296875031413 0.00014356 deg
peri 271.4316992093362 0.00014619 deg
i 1.873100181500112 4.1298e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      7034 days (19.26 yr)  
   first obs. used      2001-02-19  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:54  

Additional Information
 Jupiter MOID = 2.41832 au 
 T_jup = 3.546 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.963210963474508E-15 -4.688493068886314E-15 -3.157245424267865E-13 9.41529279139643E-15 -2.998780316909066E-14 -1.625004543924575E-17
q -4.688493068886314E-15 1.130693749558754E-14 7.940928354330668E-13 -2.242159769494549E-14 7.245071310320016E-14 1.40274341676553E-16
tp -3.157245424267865E-13 7.940928354330668E-13 1.014495210903794E-8 -2.63748087811529E-11 2.801538631296353E-9 4.135734165635699E-14
node 9.41529279139643E-15 -2.242159769494549E-14 -2.63748087811529E-11 2.060913984404873E-8 -2.060453592903974E-8 3.832104454748733E-11
peri -2.998780316909066E-14 7.245071310320016E-14 2.801538631296353E-9 -2.060453592903974E-8 2.137214353511021E-8 -3.8279714873355E-11
i -1.625004543924575E-17 1.40274341676553E-16 4.135734165635699E-14 3.832104454748733E-11 -3.8279714873355E-11 1.705555884452898E-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 16.80   n/a E2021B55  
diameter diameter 2.241 km 0.471 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115948 (2003 WQ32)          Discovered 2003-Nov-18 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 WQ32 = 2001 DE61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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