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JPL Small-Body Database Browser
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390230 (2012 XM45)
Classification: Main-belt Asteroid          SPK-ID: 2390230
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06812533816848466 7.6555e-08  
a 2.634837474864869 3.6759e-08 au
q 2.455338280870704 1.912e-07 au
i 10.68456216746494 9.436e-06 deg
node 231.3676520655262 4.3725e-05 deg
peri 312.20876850655 8.4514e-05 deg
M 57.79095435790477 7.284e-05 deg
tp 2458349.723671305724
(2018-Aug-19.22367131)
0.00031661 TDB
period 1562.173169365404
4.28
3.2692e-05
8.951e-08
d
yr
n .2304482032208002 4.8226e-09 deg/d
Q 2.814336668859035 3.9264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5740 days (15.72 yr)  
   first obs. used      2003-10-18  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53372  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:06:47  

Additional Information
 Earth MOID = 1.46772 au 
 Jupiter MOID = 2.19556 au 
 T_jup = 3.370 
[ 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 16.7   n/a MPO476836  
diameter diameter 2.825 km 0.767 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.022   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390230 (2012 XM45)          Discovered 2006-May-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

Alternate Designations
 2012 XM45 = 2010 BZ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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