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JPL Small-Body Database Browser
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442778 (2012 XE124)
Classification: Main-belt Asteroid          SPK-ID: 2442778
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02450488123287309 5.2761e-08  
a 2.534253737938333 3.9072e-08 au
q 2.47215215107619 1.4666e-07 au
i 9.152640823507053 7.5539e-06 deg
node 128.7713732118684 3.4272e-05 deg
peri 134.9498289855377 0.00017618 deg
M 22.5327420094955 0.00016882 deg
tp 2458508.267259292397
(2019-Jan-24.76725929)
0.0006919 TDB
period 1473.579497814546
4.03
3.4079e-05
9.33e-08
d
yr
n .2443030732538782 5.6498e-09 deg/d
Q 2.596355324800477 4.0029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      5843 days (16.00 yr)  
   first obs. used      2003-08-23  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57602  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:58  

Additional Information
 Earth MOID = 1.4625 au 
 Jupiter MOID = 2.44016 au 
 T_jup = 3.431 
[ 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 16.8   n/a MPO437722  

442778 (2012 XE124)          Discovered 2012-Nov-26 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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