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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07626945627269516 1.2108e-07  
a 2.864950701560992 5.2063e-08 au
q 2.646442469304858 3.5764e-07 au
i 2.55557040516052 1.6607e-05 deg
node 42.84096124179475 0.00016369 deg
peri 298.0318535072155 0.0001918 deg
M 245.8555975358863 0.00010528 deg
tp 2459562.098934257871
(2021-Dec-13.59893426)
0.00052482 TDB
period 1771.226726570287
4.85
4.8281e-05
1.322e-07
d
yr
n .2032489655895638 5.5403e-09 deg/d
Q 3.083458933817125 5.6034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      5501 days (15.06 yr)  
   first obs. used      2005-04-10  
   last obs. used      2020-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:42:55  

Additional Information
 Earth MOID = 1.63913 au 
 Jupiter MOID = 2.21706 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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