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5164 Mullo (1984 WE1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2005164
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4975281833140032 5.0864e-08  
a 3.698083526172273 1.4077e-08 au
q 1.858182747652339 1.916e-07 au
i 19.26445249818969 6.5066e-06 deg
node 53.75902110510706 1.3707e-05 deg
peri 67.56567537464413 1.5343e-05 deg
M 34.53147414863496 5.3924e-06 deg
tp 2458951.341264020867
(2020-Apr-11.84126402)
3.8056e-05 TDB
period 2597.547517560402
7.11
1.4831e-05
4.061e-08
d
yr
n .1385922673468971 7.9132e-10 deg/d
Q 5.537984304692207 2.108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1248  
   data-arc span      20885 days (57.18 yr)  
   first obs. used      1963-11-12  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:22:50  

Additional Information
 Earth MOID = .962809 au 
 Jupiter MOID = 1.08408 au 
 T_jup = 2.788 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457070.5 (2015-Feb-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4989413227934957 5.0803e-08  
q 1.850661656828194 1.9101e-07 au
tp 2456356.610726061295
(2013-Mar-05.11072606)
3.1426e-05 TDB
node 53.81651658743523 1.3712e-05 deg
peri 67.59691541505519 1.5336e-05 deg
i 19.27684943078279 6.5117e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1248  
   data-arc span      20885 days (57.18 yr)  
   first obs. used      1963-11-12  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:22:50  

Additional Information
 Jupiter MOID = 1.08408 au 
 T_jup = 2.788 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.580963678139769E-15 -9.699069752527305E-15 -8.46762793055673E-13 -2.123555652074875E-15 -8.436633384471793E-14 -8.415969166373913E-15
q -9.699069752527305E-15 3.648552294038704E-14 3.181230549900281E-12 1.250768172535161E-14 3.18967922497825E-13 1.442529058506295E-14
tp -8.46762793055673E-13 3.181230549900281E-12 9.875788781042931E-10 4.977976733305257E-13 2.216445356962088E-10 3.198451117992069E-11
node -2.123555652074875E-15 1.250768172535161E-14 4.977976733305257E-13 1.880175567642603E-10 -1.754084184802559E-10 2.984089607334079E-11
peri -8.436633384471793E-14 3.18967922497825E-13 2.216445356962088E-10 -1.754084184802559E-10 2.351967685883198E-10 -2.749451947624921E-11
i -8.415969166373913E-15 1.442529058506295E-14 3.198451117992069E-11 2.984089607334079E-11 -2.749451947624921E-11 4.240223369751541E-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 13.19   n/a E2021B10  

5164 Mullo (1984 WE1)          Discovered 1984-Nov-20 by Pollas, C. at Caussols
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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