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212749 (2007 TM4)
Classification: Main-belt Asteroid          SPK-ID: 2212749
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248623706919351 8.5881e-08  
a 2.170427128423777 1.7379e-08 au
q 1.899422451754696 1.9738e-07 au
i 3.911628284808766 5.9061e-06 deg
node 165.4065999620997 0.00011343 deg
peri 157.4031515300246 0.00011901 deg
M 268.2263612466595 3.3604e-05 deg
tp 2458898.236234302823
(2020-Feb-18.73623430)
0.00010958 TDB
period 1167.928457507247
3.20
1.4028e-05
3.841e-08
d
yr
n .3082380583211076 3.7022e-09 deg/d
Q 2.44143180509286 1.9549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      8490 days (23.24 yr)  
   first obs. used      1996-02-10  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59864  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:20:26  

Additional Information
 Earth MOID = .88695 au 
 Jupiter MOID = 2.82924 au 
 T_jup = 3.676 
[ 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 17.8   n/a MPO385925  
diameter diameter 1.346 km 0.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212749 (2007 TM4)          Discovered 2007-Oct-06 by Yeung, W. K. Y. at 7300
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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