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437224 (2012 XW1)
Classification: Main-belt Asteroid          SPK-ID: 2437224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2087859203639066 5.8968e-08  
a 2.601179393019353 3.0309e-08 au
q 2.05808975941618 1.5053e-07 au
i 5.662872110055827 1.0893e-05 deg
node 40.78703113349863 5.2934e-05 deg
peri 300.2170934596612 6.0474e-05 deg
M 346.8325956276053 3.0949e-05 deg
tp 2459056.546894822916
(2020-Jul-26.04689482)
0.0001323 TDB
period 1532.33557393818
4.20
2.6783e-05
7.333e-08
d
yr
n .2349354841869146 4.1063e-09 deg/d
Q 3.144269026622527 3.6638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      8660 days (23.71 yr)  
   first obs. used      1995-10-14  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51612  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:26  

Additional Information
 Earth MOID = 1.05715 au 
 Jupiter MOID = 2.27987 au 
 T_jup = 3.377 
[ 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 MPO437695  

437224 (2012 XW1)          Discovered 1995-Oct-14 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 XW1 = 1999 RA235 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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