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JPL Small-Body Database Browser
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393021 (2012 XD155)
Classification: Main-belt Asteroid          SPK-ID: 2393021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417193912064425 6.6474e-08  
a 2.68971018338071 4.6445e-08 au
q 2.308526093670227 1.7835e-07 au
i 9.922205705853651 1.1235e-05 deg
node 241.2111639907462 5.0322e-05 deg
peri 245.3497259538682 6.8609e-05 deg
M 207.1456815873077 4.4917e-05 deg
tp 2459684.619342731315
(2022-Apr-15.11934273)
0.0002051 TDB
period 1611.226728435191
4.41
4.1733e-05
1.143e-07
d
yr
n .2234322418109516 5.7872e-09 deg/d
Q 3.070894273091193 5.3027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      5260 days (14.40 yr)  
   first obs. used      2003-10-25  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:59:10  

Additional Information
 Earth MOID = 1.34459 au 
 Jupiter MOID = 2.11627 au 
 T_jup = 3.337 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO434459  

393021 (2012 XD155)          Discovered 2003-Oct-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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