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249060 (2007 TT289)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249060
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980528045753626 6.3681e-08  
a 3.999265817237957 1.0147e-07 au
q 3.2072000058916 2.5105e-07 au
i 9.451709592235696 7.4605e-06 deg
node 43.24284733203049 3.2789e-05 deg
peri 2.748852519985524 3.7175e-05 deg
M 180.7754261965044 2.3119e-05 deg
tp 2460454.833101728349
(2024-May-24.33310173)
0.0002294 TDB
period 2921.250727571791
8.00
0.00011118
3.044e-07
d
yr
n .1232348858665891 4.6903e-09 deg/d
Q 4.791331628584314 1.2157e-07 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      6291 days (17.22 yr)  
   first obs. used      2003-03-26  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:20:36  

Additional Information
 Earth MOID = 2.21682 au 
 Jupiter MOID = .640391 au 
 T_jup = 2.996 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO470656  
diameter diameter 7.081 km 0.493 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

249060 (2007 TT289)          Discovered 2007-Oct-12 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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