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JPL Small-Body Database Browser
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400231 (2007 EZ172)
Classification: Main-belt Asteroid          SPK-ID: 2400231
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 .1019762647838326 5.6047e-08  
a 2.24898196812109 1.6586e-08 au
q 2.019639187445909 1.2691e-07 au
i 1.298172541665428 7.3795e-06 deg
node 220.286513113366 0.00025232 deg
peri 42.9316054600833 0.00025582 deg
M 147.7687998738666 3.9384e-05 deg
tp 2458094.841127098097
(2017-Dec-07.34112710)
0.00013347 TDB
period 1231.905479370947
3.37
1.3628e-05
3.731e-08
d
yr
n .2922302124866174 3.2327e-09 deg/d
Q 2.478324748796271 1.8277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      7292 days (19.96 yr)  
   first obs. used      1998-10-28  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63906  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:02:12  

Additional Information
 Earth MOID = 1.00383 au 
 Jupiter MOID = 2.56715 au 
 T_jup = 3.621 
[ 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 18.0   n/a MPO455832  

400231 (2007 EZ172)          Discovered 2005-Nov-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-07-14

Alternate Designations
 2007 EZ172 = 2005 WD50 = 2014 KZ79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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