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181766 (1997 AW14)
Classification: Main-belt Asteroid          SPK-ID: 2181766
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697935985674727 7.0807e-08  
a 2.31289495252572 1.1357e-08 au
q 1.920180195427834 1.6104e-07 au
i 3.883950255543408 4.0389e-06 deg
node 115.9109185560044 0.00013043 deg
peri 42.24100200803404 0.00013293 deg
M 253.4829430390039 2.6636e-05 deg
tp 2459580.644706316506
(2022-Jan-01.14470632)
9.6755e-05 TDB
period 1284.790419285184
3.52
9.4631e-06
2.591e-08
d
yr
n .2802013422549433 2.0638e-09 deg/d
Q 2.705609709623606 1.3285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      9656 days (26.44 yr)  
   first obs. used      1994-06-11  
   last obs. used      2020-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:57  

Additional Information
 Earth MOID = .931454 au 
 Jupiter MOID = 2.28008 au 
 T_jup = 3.561 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457260.5 (2015-Aug-26.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1689128374139272 7.0983e-08  
q 1.922600778197056 1.6134e-07 au
tp 2457009.635850753124
(2014-Dec-18.13585075)
8.7253e-05 TDB
node 115.9380033518553 0.00013053 deg
peri 42.14564221916965 0.00013307 deg
i 3.882213411230245 4.0354e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      9656 days (26.44 yr)  
   first obs. used      1994-06-11  
   last obs. used      2020-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:57  

Additional Information
 Jupiter MOID = 2.28008 au 
 T_jup = 3.561 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.0385430449914E-15 -1.14345222573158E-14 4.773836345108617E-12 -6.874505930646092E-14 1.478817637892954E-12 -8.066384447352811E-15
q -1.14345222573158E-14 2.603030309223894E-14 -1.065167341172893E-11 1.553589891283596E-13 -3.300416263383311E-12 1.836927386494722E-14
tp 4.773836345108617E-12 -1.065167341172893E-11 7.613170635449614E-9 -7.232819157432252E-11 2.363509281191118E-9 -9.914446649717745E-12
node -6.874505930646092E-14 1.553589891283596E-13 -7.232819157432252E-11 1.703677611976255E-8 -1.702049363741093E-8 1.175561034062708E-10
peri 1.478817637892954E-12 -3.300416263383311E-12 2.363509281191118E-9 -1.702049363741093E-8 1.770788079876078E-8 -1.202559170208004E-10
i -8.066384447352811E-15 1.836927386494722E-14 -9.914446649717745E-12 1.175561034062708E-10 -1.202559170208004E-10 1.628408439874519E-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 17.28   n/a MPCxxxxx  

181766 (1997 AW14)          Discovered 1997-Jan-12 by Klet at Klet
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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