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312152 (2007 TH440)
Classification: Main-belt Asteroid          SPK-ID: 2312152
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07370373516722478 6.1052e-08  
a 2.560460975476841 2.3455e-08 au
q 2.371745437834282 1.547e-07 au
i 6.606256924456808 5.4039e-06 deg
node 73.07123604686865 5.2438e-05 deg
peri 130.7792970172684 6.1914e-05 deg
M 183.5590233192054 3.3537e-05 deg
tp 2459333.953559883159
(2021-Apr-29.45355988)
0.00014171 TDB
period 1496.496372470363
4.10
2.0563e-05
5.63e-08
d
yr
n .2405618928469066 3.3055e-09 deg/d
Q 2.749176513119401 2.5184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      5827 days (15.95 yr)  
   first obs. used      2003-12-21  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54048  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 19:04:15  

Additional Information
 Earth MOID = 1.37301 au 
 Jupiter MOID = 2.22357 au 
 T_jup = 3.422 
[ 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 15.9   n/a MPO418614  
diameter diameter 3.538 km 0.281 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312152 (2007 TH440)          Discovered 2007-Oct-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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