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47039 (1998 WA3)
Classification: Main-belt Asteroid          SPK-ID: 2047039
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917782164817065 4.0447e-08  
a 3.098861514177648 2.0953e-08 au
q 2.504567379864858 1.2564e-07 au
i 17.12431678900754 3.6775e-06 deg
node 124.2354064518168 1.5649e-05 deg
peri 299.6789963877961 1.9859e-05 deg
M 60.35440532022131 1.0691e-05 deg
tp 2458866.452555436011
(2020-Jan-17.95255544)
5.9515e-05 TDB
period 1992.515366608126
5.46
2.0209e-05
5.533e-08
d
yr
n .1806761473628335 1.8325e-09 deg/d
Q 3.693155648490438 2.4971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1291  
   data-arc span      8989 days (24.61 yr)  
   first obs. used      1996-08-09  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45301  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:41:40  

Additional Information
 Earth MOID = 1.56698 au 
 Jupiter MOID = 1.74344 au 
 T_jup = 3.127 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457873.5 (2017-Apr-30.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190704964078499 4.0298e-08  
q 2.507351957285964 1.2477e-07 au
tp 2458867.651116223903
(2020-Jan-19.15111622)
5.9891e-05 TDB
node 124.2562056395844 1.5654e-05 deg
peri 299.7891949558061 1.9936e-05 deg
i 17.1196531672037 3.6769e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1291  
   data-arc span      8989 days (24.61 yr)  
   first obs. used      1996-08-09  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45301  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:41:40  

Additional Information
 Jupiter MOID = 1.74344 au 
 T_jup = 3.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.62393592460202E-15 -4.981298885844768E-15 -9.591142803811201E-13 -5.352738789463138E-15 -2.379964631060705E-13 -5.501119715994534E-15
q -4.981298885844768E-15 1.556806028746629E-14 2.811297037133849E-12 1.66698053372655E-14 6.728721383695935E-13 1.858737422741599E-14
tp -9.591142803811201E-13 2.811297037133849E-12 3.586934230441164E-9 5.460172853509055E-12 7.612985742551048E-10 2.57810411404924E-12
node -5.352738789463138E-15 1.66698053372655E-14 5.460172853509055E-12 2.450605186910348E-10 -2.326497244325963E-10 5.870875837891305E-12
peri -2.379964631060705E-13 6.728721383695935E-13 7.612985742551048E-10 -2.326497244325963E-10 3.974495076719633E-10 -4.997431247021162E-12
i -5.501119715994534E-15 1.858737422741599E-14 2.57810411404924E-12 5.870875837891305E-12 -4.997431247021162E-12 1.351995784555784E-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 14.00   n/a MPCxxxxx  

47039 (1998 WA3)          Discovered 1998-Nov-19 by ODAS at Caussols
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 WA3 = 2000 HQ79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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