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266339 (2007 DW74)
Classification: Main-belt Asteroid          SPK-ID: 2266339
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05070223024391573 9.9104e-08  
a 2.88198054262741 3.05e-08 au
q 2.73585770159663 2.8007e-07 au
i 2.441175859227294 9.5241e-06 deg
node 164.700068963651 0.0001509 deg
peri 161.1537358429298 0.00017928 deg
M 99.3258098702445 9.9953e-05 deg
tp 2458507.445862535825
(2019-Jan-23.94586254)
0.00049611 TDB
period 1787.042962136244
4.89
2.8369e-05
7.767e-08
d
yr
n .2014501092741796 3.1979e-09 deg/d
Q 3.02810338365819 3.2047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6476 days (17.73 yr)  
   first obs. used      2002-02-08  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49628  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:33:27  

Additional Information
 Earth MOID = 1.72399 au 
 Jupiter MOID = 2.1422 au 
 T_jup = 3.291 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457402.5 (2016-Jan-15.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05297988886439844 9.8352e-08  
q 2.727961753154208 2.7806e-07 au
tp 2456710.983047349299
(2014-Feb-22.48304735)
0.00048636 TDB
node 164.7429112759117 0.00015085 deg
peri 159.229350643966 0.00017816 deg
i 2.441192882381264 9.5324e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6476 days (17.73 yr)  
   first obs. used      2002-02-08  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49628  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:33:27  

Additional Information
 Jupiter MOID = 2.1422 au 
 T_jup = 3.291 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.673023016793364E-15 -2.720971338316846E-14 3.581053819919298E-11 6.12656058576989E-14 6.831535371919056E-12 -3.155046785701661E-15
q -2.720971338316846E-14 7.731501486070794E-14 -1.038484700419782E-10 -1.668649282272655E-13 -1.979001735132796E-11 9.843820208077698E-15
tp 3.581053819919298E-11 -1.038484700419782E-10 2.365472156555534E-7 2.000411290591035E-10 4.61358071412094E-8 -2.857896900442142E-11
node 6.12656058576989E-14 -1.668649282272655E-13 2.000411290591035E-10 2.275691163671618E-8 -2.269738237961426E-8 8.409375199841962E-10
peri 6.831535371919056E-12 -1.979001735132796E-11 4.61358071412094E-8 -2.269738237961426E-8 3.174151569937375E-8 -8.457834237098745E-10
i -3.155046785701661E-15 9.843820208077698E-15 -2.857896900442142E-11 8.409375199841962E-10 -8.457834237098745E-10 9.086600910088933E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO503216  

266339 (2007 DW74)          Discovered 2007-Feb-21 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2007 DW74 = 2004 RV270 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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