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249049 (2007 TN122)
Classification: Main-belt Asteroid          SPK-ID: 2249049
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106048327991075 3.6444e-08  
a 2.462870540227979 1.8776e-08 au
q 2.201687237378326 9.1823e-08 au
i 1.351822691919621 6.0162e-06 deg
node 111.9204440994965 0.00019556 deg
peri 130.3401552625477 0.00019805 deg
M 238.671987870769 3.0937e-05 deg
tp 2459476.294463409560
(2021-Sep-18.79446341)
0.00012163 TDB
period 1411.759772714307
3.87
1.6144e-05
4.42e-08
d
yr
n .255000891056592 2.9161e-09 deg/d
Q 2.724053843077632 2.0767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      7452 days (20.40 yr)  
   first obs. used      1999-09-03  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:19:15  

Additional Information
 Earth MOID = 1.18907 au 
 Jupiter MOID = 2.27894 au 
 T_jup = 3.481 
[ 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 16.7   n/a MPO454845  
diameter diameter 2.830 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249049 (2007 TN122)          Discovered 2007-Oct-06 by Spacewatch at Kitt Peak
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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