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JPL Small-Body Database Browser
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442766 (2012 XE81)
Classification: Main-belt Asteroid          SPK-ID: 2442766
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 .1528150458598223 7.8222e-08  
a 2.563443280377155 3.9966e-08 au
q 2.171710577927267 2.0249e-07 au
i 5.649666726563392 6.4644e-06 deg
node 127.3406762183708 0.00010784 deg
peri 329.2506466337692 0.00011201 deg
M 179.8541271972359 3.6912e-05 deg
tp 2457851.551589968632
(2017-Apr-08.05158997)
0.00014493 TDB
period 1499.111706875727
4.10
3.5058e-05
9.598e-08
d
yr
n .2401422111166551 5.616e-09 deg/d
Q 2.955175982827043 4.6073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      6270 days (17.17 yr)  
   first obs. used      2001-02-19  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64304  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 07:03:33  

Additional Information
 Earth MOID = 1.19085 au 
 Jupiter MOID = 2.20787 au 
 T_jup = 3.410 
[ 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 17.3   n/a MPO440833  

442766 (2012 XE81)          Discovered 2008-Dec-31 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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