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JPL Small-Body Database Browser
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390249 (2012 XZ91)
Classification: Main-belt Asteroid          SPK-ID: 2390249
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06561080291550579 8.2026e-08  
a 2.937061614266456 5.2853e-08 au
q 2.744358643542122 2.4001e-07 au
i 2.079854504251424 1.2167e-05 deg
node 12.46680999515321 0.00023292 deg
peri 104.1801026562083 0.0002571 deg
M 56.70047641651877 0.00010254 deg
tp 2458310.930897472681
(2018-Jul-11.43089747)
0.00052372 TDB
period 1838.518536318063
5.03
4.9627e-05
1.359e-07
d
yr
n .1958098288859026 5.2855e-09 deg/d
Q 3.12976458499079 5.6321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      4155 days (11.38 yr)  
   first obs. used      2007-11-17  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64992  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:58:59  

Additional Information
 Earth MOID = 1.76185 au 
 Jupiter MOID = 1.92066 au 
 T_jup = 3.270 
[ 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 17.0   n/a MPO434437  

390249 (2012 XZ91)          Discovered 2007-Nov-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XZ91 = 2009 EK7 = 2012 XW27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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