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JPL Small-Body Database Browser
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437020 (2012 TW273)
Classification: Main-belt Asteroid          SPK-ID: 2437020
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07596209430523222 1.7981e-07  
a 2.865511153206285 6.2775e-08 au
q 2.647840924753734 4.9957e-07 au
i 2.555397042706415 1.6608e-05 deg
node 42.84590999234729 0.0001908 deg
peri 298.1058883233324 0.00022022 deg
M 164.4629871740669 0.00012007 deg
tp 2457791.092442665506
(2017-Feb-06.59244267)
0.00057607 TDB
period 1771.746492309637
4.85
5.8221e-05
1.594e-07
d
yr
n .2031893397631094 6.677e-09 deg/d
Q 3.083181381658835 6.7544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      5048 days (13.82 yr)  
   first obs. used      2005-04-10  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56776  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:50:42  

Additional Information
 Earth MOID = 1.63963 au 
 Jupiter MOID = 2.21585 au 
 T_jup = 3.294 
[ 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 17.1   n/a MPO243921  

437020 (2012 TW273)          Discovered 2007-Sep-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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