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442801 (2013 AZ18)
Classification: Main-belt Asteroid          SPK-ID: 2442801
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112677718757179 9.362e-08  
a 2.692410034843868 6.5772e-08 au
q 2.389035414158724 2.8142e-07 au
i 4.903514621459408 1.1595e-05 deg
node 311.9739133793845 8.8538e-05 deg
peri 125.6448340782459 0.0001033 deg
M 273.7041843114739 4.7275e-05 deg
tp 2459387.309796858222
(2021-Jun-21.80979686)
0.00021358 TDB
period 1613.653289651618
4.42
5.913e-05
1.619e-07
d
yr
n .2230962514120508 8.175e-09 deg/d
Q 2.995784655529012 7.3184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      3317 days (9.08 yr)  
   first obs. used      2009-02-19  
   last obs. used      2018-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62407  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:00:21  

Additional Information
 Earth MOID = 1.40859 au 
 Jupiter MOID = 2.21902 au 
 T_jup = 3.357 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO450447  

442801 (2013 AZ18)          Discovered 2009-Feb-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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