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JPL Small-Body Database Browser
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437197 (2012 WX1)
Classification: Main-belt Asteroid          SPK-ID: 2437197
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08218446310625969 9.3539e-08  
a 2.737773047143894 3.7192e-08 au
q 2.512770639157585 2.6624e-07 au
i 2.720354882067752 7.7191e-06 deg
node 104.5544879865937 0.00025368 deg
peri 233.3440825417964 0.00026225 deg
M 219.6156422735206 6.8857e-05 deg
tp 2459245.724442346179
(2021-Jan-31.22444235)
0.00032083 TDB
period 1654.605990342552
4.53
3.3716e-05
9.231e-08
d
yr
n .2175744570618104 4.4336e-09 deg/d
Q 2.962775455130203 4.0249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      7535 days (20.63 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66425  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:09:47  

Additional Information
 Earth MOID = 1.50357 au 
 Jupiter MOID = 2.32811 au 
 T_jup = 3.345 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457096.5 (2015-Mar-15.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .081651858359945 9.4117e-08  
q 2.514369219072118 2.6773e-07 au
tp 2457593.570683251354
(2016-Jul-24.07068325)
0.00031158 TDB
node 104.5604347844876 0.00025368 deg
peri 233.9737094400998 0.00026229 deg
i 2.720269150014445 7.7189e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      7535 days (20.63 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66425  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:09:47  

Additional Information
 Jupiter MOID = 2.32811 au 
 T_jup = 3.345 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.8579772759477E-15 -2.500357118362322E-14 1.266065678452864E-11 1.419786244374432E-13 2.927019127385293E-12 -1.732820014320653E-15
q -2.500357118362322E-14 7.168108083617872E-14 -3.202801090549697E-11 -3.89877541553605E-13 -7.550413146022546E-12 5.818913528980728E-15
tp 1.266065678452864E-11 -3.202801090549697E-11 9.708164481676793E-8 4.729859526964409E-10 2.098256334563326E-8 -5.495088157635763E-14
node 1.419786244374432E-13 -3.89877541553605E-13 4.729859526964409E-10 6.43551480734544E-8 -6.417566417259543E-8 -5.060934437746455E-10
peri 2.927019127385293E-12 -7.550413146022546E-12 2.098256334563326E-8 -6.417566417259543E-8 6.879522825158334E-8 5.053586464683222E-10
i -1.732820014320653E-15 5.818913528980728E-15 -5.495088157635763E-14 -5.060934437746455E-10 5.053586464683222E-10 5.958207247200688E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO472424  

437197 (2012 WX1)          Discovered 2007-Sep-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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