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160958 (2002 AS156)
Classification: Main-belt Asteroid          SPK-ID: 2160958
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1071399429672717 4.1066e-08  
a 2.417899123383694 1.6732e-08 au
q 2.158845549203749 9.7299e-08 au
i 2.037555746440995 4.3918e-06 deg
node 293.1095921316952 0.00013227 deg
peri 349.7848227042368 0.00013467 deg
M 181.9861954259633 2.9251e-05 deg
tp 2459679.558007777936
(2022-Apr-10.05800778)
0.00011546 TDB
period 1373.269243837687
3.76
1.4255e-05
3.903e-08
d
yr
n .2621481560265324 2.7211e-09 deg/d
Q 2.676952697563639 1.8525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1999-06-15  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:28:05  

Additional Information
 Earth MOID = 1.14242 au 
 Jupiter MOID = 2.43571 au 
 T_jup = 3.507 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457167.5 (2015-May-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078730302996072 4.0905e-08  
q 2.156715153240894 9.6923e-08 au
tp 2456934.309485015957
(2014-Oct-03.80948502)
0.0001015 TDB
node 293.2169995481941 0.00013234 deg
peri 349.8944752553568 0.00013473 deg
i 2.037253764958125 4.3895e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1999-06-15  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:28:05  

Additional Information
 Jupiter MOID = 2.43571 au 
 T_jup = 3.507 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.673204173256761E-15 -3.919630677051632E-15 -6.615627172556775E-13 -4.783053074238741E-15 -1.688483720531207E-13 3.107961748124246E-16
q -3.919630677051632E-15 9.394087000027957E-15 2.153187801367185E-12 1.157602781816928E-14 5.499460986045001E-13 -6.949955311180076E-16
tp -6.615627172556775E-13 2.153187801367185E-12 1.030283265122272E-8 -6.348285116561179E-12 2.587601019270298E-9 -1.753068396682069E-13
node -4.783053074238741E-15 1.157602781816928E-14 -6.348285116561179E-12 1.751451416364192E-8 -1.750466578012819E-8 -1.381747497735994E-10
peri -1.688483720531207E-13 5.499460986045001E-13 2.587601019270298E-9 -1.750466578012819E-8 1.815176364459904E-8 1.380347876777669E-10
i 3.107961748124246E-16 -6.949955311180076E-16 -1.753068396682069E-13 -1.381747497735994E-10 1.380347876777669E-10 1.926814906346654E-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 16.2   n/a MPO454067  

160958 (2002 AS156)          Discovered 2002-Jan-13 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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