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160961 (2002 AW178)
Classification: Main-belt Asteroid          SPK-ID: 2160961
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134627667682291 5.7446e-08  
a 2.304631004949972 1.5499e-08 au
q 1.994363907885263 1.2851e-07 au
i 7.287764426000777 6.111e-06 deg
node 122.1265782479927 3.9069e-05 deg
peri 240.5093453659331 4.4236e-05 deg
M 101.4659657080453 2.0106e-05 deg
tp 2458240.320973691583
(2018-May-01.82097369)
7.067e-05 TDB
period 1277.910761172098
3.50
1.2892e-05
3.53e-08
d
yr
n .2817098117788824 2.8419e-09 deg/d
Q 2.614898102014681 1.7586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      8772 days (24.02 yr)  
   first obs. used      1995-02-02  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55935  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:51:38  

Additional Information
 Earth MOID = 1.00152 au 
 Jupiter MOID = 2.83383 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456894.5 (2014-Aug-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343824135336509 5.7648e-08  
q 1.994983559106137 1.29e-07 au
tp 2456960.083861866705
(2014-Oct-29.58386187)
6.9724e-05 TDB
node 122.195539026028 3.9023e-05 deg
peri 239.9025775443325 4.421e-05 deg
i 7.291514901654605 6.1154e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      8772 days (24.02 yr)  
   first obs. used      1995-02-02  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55935  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:51:38  

Additional Information
 Jupiter MOID = 2.83383 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.323241049791884E-15 -7.400871846804223E-15 -1.017730501970827E-12 2.409853794302136E-14 -4.161940616185793E-13 -2.565220276996652E-15
q -7.400871846804223E-15 1.664098593263358E-14 2.343862228249323E-12 -5.392794767688854E-14 9.449760695489824E-13 5.971755921558686E-15
tp -1.017730501970827E-12 2.343862228249323E-12 4.861390200887642E-9 -3.793835938364831E-11 1.460320575903159E-9 5.096013343569655E-13
node 2.409853794302136E-14 -5.392794767688854E-14 -3.793835938364831E-11 1.52282166869714E-9 -1.521625161280966E-9 4.473169098564541E-11
peri -4.161940616185793E-13 9.449760695489824E-13 1.460320575903159E-9 -1.521625161280966E-9 1.954554072110827E-9 -4.426563448183744E-11
i -2.565220276996652E-15 5.971755921558686E-15 5.096013343569655E-13 4.473169098564541E-11 -4.426563448183744E-11 3.739773997509604E-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 16.1   n/a MPO314391  

160961 (2002 AW178)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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