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312138 (2007 TD297)
Classification: Main-belt Asteroid          SPK-ID: 2312138
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 .2906808048290402 6.3313e-08  
a 2.350853287075083 2.0602e-08 au
q 1.667505361553103 1.5601e-07 au
i 4.478446695044807 5.8976e-06 deg
node 141.7495611410702 6.9977e-05 deg
peri 221.6810146560059 7.0484e-05 deg
M 200.2029448579391 1.2346e-05 deg
tp 2459584.890284535684
(2022-Jan-05.39028454)
5.1568e-05 TDB
period 1316.548056820048
3.60
1.7307e-05
4.738e-08
d
yr
n .2734423541435576 3.5946e-09 deg/d
Q 3.034201212597063 2.6591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      5527 days (15.13 yr)  
   first obs. used      2005-03-04  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:26:17  

Additional Information
 Earth MOID = .668198 au 
 Jupiter MOID = 2.42604 au 
 T_jup = 3.496 
[ 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 17.2   n/a MPO471269  

312138 (2007 TD297)          Discovered 2007-Oct-10 by PMO NEO Survey Program at Purple Mountain
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2007 TD297 = 2005 EC296 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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