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JPL Small-Body Database Browser
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442781 (2012 XL135)
Classification: Main-belt Asteroid          SPK-ID: 2442781
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624971024695689 6.196e-08  
a 2.558442510976997 3.0384e-08 au
q 2.142703016108266 1.6773e-07 au
i 3.898766461225665 6.1102e-06 deg
node 138.3548107492171 0.00013523 deg
peri 216.9304016183875 0.00013927 deg
M 260.5143943259532 3.9169e-05 deg
tp 2459013.566208598836
(2020-Jun-13.06620860)
0.00016572 TDB
period 1494.727142565651
4.09
2.6627e-05
7.29e-08
d
yr
n .240846633307315 4.2904e-09 deg/d
Q 2.974182005845727 3.5321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      7271 days (19.91 yr)  
   first obs. used      1999-08-07  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63535  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:58  

Additional Information
 Earth MOID = 1.13845 au 
 Jupiter MOID = 2.45939 au 
 T_jup = 3.414 
[ 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 16.9   n/a MPO437722  

442781 (2012 XL135)          Discovered 1999-Aug-07 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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