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JPL Small-Body Database Browser
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447721 (2007 ET165)
Classification: Main-belt Asteroid          SPK-ID: 2447721
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539931038125461 8.808e-08  
a 3.080519681290683 4.7736e-08 au
q 2.606140894213095 2.8387e-07 au
i 11.22423954197918 9.3431e-06 deg
node 44.40939687835267 4.3213e-05 deg
peri 157.6756561054095 5.057e-05 deg
M 86.15859594587633 3.0859e-05 deg
tp 2458127.859948606763
(2018-Jan-09.35994861)
0.0001637 TDB
period 1974.851338204854
5.41
4.5904e-05
1.257e-07
d
yr
n .1822922024739549 4.2372e-09 deg/d
Q 3.554898468368271 5.5087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1996-04-15  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61671  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:31:44  

Additional Information
 Earth MOID = 1.60627 au 
 Jupiter MOID = 1.41828 au 
 T_jup = 3.181 
[ 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 16.1   n/a MPO456121  

447721 (2007 ET165)          Discovered 2007-Mar-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2007 ET165 = 2014 SS42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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