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266340 (2007 DW77)
Classification: Main-belt Asteroid          SPK-ID: 2266340
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06412577592618948 3.6308e-08  
a 2.578034247213767 2.1715e-08 au
q 2.412715800746894 9.9558e-08 au
i 6.219024208251724 4.3637e-06 deg
node 133.5065901479778 4.8907e-05 deg
peri 168.2848019097346 6.5678e-05 deg
M 284.4817310218137 4.3928e-05 deg
tp 2459317.661874628051
(2021-Apr-13.16187463)
0.00018406 TDB
period 1511.929184964227
4.14
1.9103e-05
5.23e-08
d
yr
n .2381063898892313 3.0084e-09 deg/d
Q 2.743352693680639 2.3107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      5299 days (14.51 yr)  
   first obs. used      2005-10-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:22:59  

Additional Information
 Earth MOID = 1.39773 au 
 Jupiter MOID = 2.40126 au 
 T_jup = 3.415 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO470829  

266340 (2007 DW77)          Discovered 2007-Feb-23 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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