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442798 (2013 AX8)
Classification: Main-belt Asteroid          SPK-ID: 2442798
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389986446485655 7.8349e-08  
a 2.51718725251532 2.8833e-08 au
q 2.167301636089044 2.0251e-07 au
i 3.608249795493527 5.2934e-06 deg
node 20.69203830279888 0.00019495 deg
peri 47.04984219405243 0.00019847 deg
M 339.280757801134 4.4514e-05 deg
tp 2459084.454325898263
(2020-Aug-22.95432590)
0.00018077 TDB
period 1458.719244327815
3.99
2.5063e-05
6.862e-08
d
yr
n .2467918356461319 4.2403e-09 deg/d
Q 2.867072868941596 3.2841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      5345 days (14.63 yr)  
   first obs. used      2004-12-19  
   last obs. used      2019-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57706  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:59  

Additional Information
 Earth MOID = 1.18304 au 
 Jupiter MOID = 2.41655 au 
 T_jup = 3.442 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457227.5 (2015-Jul-24.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383511038607656 7.6302e-08  
q 2.169758461106131 1.9684e-07 au
tp 2457621.003528920577
(2016-Aug-20.50352892)
0.00017751 TDB
node 20.78894022838445 0.00019437 deg
peri 46.05968557775439 0.00019808 deg
i 3.614838291605492 5.3019e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      5345 days (14.63 yr)  
   first obs. used      2004-12-19  
   last obs. used      2019-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57706  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:59  

Additional Information
 Jupiter MOID = 2.41655 au 
 T_jup = 3.442 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.822062993680491E-15 -1.489979339880667E-14 9.869944029882123E-12 3.877981426779141E-13 2.25851225961408E-12 -1.023620500764706E-14
q -1.489979339880667E-14 3.874717400300491E-14 -2.406588096963749E-11 -9.744064754386003E-13 -5.543059091332623E-12 2.684317533054783E-14
tp 9.869944029882123E-12 -2.406588096963749E-11 3.151020851580802E-8 1.102745995454677E-9 7.152372340129516E-9 -2.225891592590692E-11
node 3.877981426779141E-13 -9.744064754386003E-13 1.102745995454677E-9 3.777794010692063E-8 -3.741105532533554E-8 -3.712834895220954E-10
peri 2.25851225961408E-12 -5.543059091332623E-12 7.152372340129516E-9 -3.741105532533554E-8 3.923431243420638E-8 3.646027168986181E-10
i -1.023620500764706E-14 2.684317533054783E-14 -2.225891592590692E-11 -3.712834895220954E-10 3.646027168986181E-10 2.811031816098139E-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 17.6   n/a MPO456097  

442798 (2013 AX8)          Discovered 2004-Dec-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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