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100178 (1994 AW5)
Classification: Main-belt Asteroid          SPK-ID: 2100178
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2161852248848311 4.4332e-08  
a 2.29259861960937 8.1024e-09 au
q 1.796972671458465 1.0559e-07 au
i .9160363871488815 4.4882e-06 deg
node 336.5491097100937 0.00021057 deg
peri 22.0412076390862 0.0002108 deg
M 310.7599044088691 9.7016e-06 deg
tp 2459173.923063348107
(2020-Nov-20.42306335)
3.4355e-05 TDB
period 1267.915954585673
3.47
6.7215e-06
1.84e-08
d
yr
n .2839304913689173 1.5052e-09 deg/d
Q 2.788224567760274 9.854e-09 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      9794 days (26.81 yr)  
   first obs. used      1994-01-06  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:37  

Additional Information
 Earth MOID = .793293 au 
 Jupiter MOID = 2.6623 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457498.5 (2016-Apr-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .21629746566977 4.4253e-08  
q 1.796012249576039 1.0529e-07 au
tp 2457907.569873940428
(2017-Jun-03.06987394)
3.3698e-05 TDB
node 336.6111409171966 0.00021064 deg
peri 22.24027899260541 0.00021088 deg
i .916096107436739 4.4869e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      9794 days (26.81 yr)  
   first obs. used      1994-01-06  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:37  

Additional Information
 Jupiter MOID = 2.6623 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.95832197727413E-15 -4.65398233073835E-15 -5.394008261385504E-13 -1.866736941487402E-14 -7.712486675413113E-14 -8.753248657258611E-16
q -4.65398233073835E-15 1.108615369205833E-14 1.234489295642381E-12 4.11428360457753E-14 1.693972436311603E-13 2.136144822854577E-15
tp -5.394008261385504E-13 1.234489295642381E-12 1.13553316697136E-9 2.520077873940494E-11 3.360744466690634E-10 1.921149647102049E-13
node -1.866736941487402E-14 4.11428360457753E-14 2.520077873940494E-11 4.437120769538581E-8 -4.435764270040379E-8 -3.381298053032058E-10
peri -7.712486675413113E-14 1.693972436311603E-13 3.360744466690634E-10 -4.435764270040379E-8 4.446916477955837E-8 3.381251746372969E-10
i -8.753248657258611E-16 2.136144822854577E-15 1.921149647102049E-13 -3.381298053032058E-10 3.381251746372969E-10 2.013244914852101E-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 16.8   n/a MPO432530  

100178 (1994 AW5)          Discovered 1994-Jan-06 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1994 AW5 = 2003 QO47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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