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268944 (2007 DH39)
Classification: Main-belt Asteroid          SPK-ID: 2268944
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2072121237371787 1.4593e-07  
a 2.508954839218442 1.4082e-08 au
q 1.989068978623317 3.6174e-07 au
i 6.574541162387515 8.543e-06 deg
node 150.2572143910455 7.5312e-05 deg
peri 37.83149890411481 7.7065e-05 deg
M 111.9068610603252 1.3661e-05 deg
tp 2458549.276295757372
(2019-Mar-06.77629576)
5.3732e-05 TDB
period 1451.569027923853
3.97
1.2221e-05
3.346e-08
d
yr
n .2480074960781576 2.088e-09 deg/d
Q 3.028840699813566 1.7e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6395 days (17.51 yr)  
   first obs. used      2003-03-11  
   last obs. used      2020-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6545  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:09:44  

Additional Information
 Earth MOID = .995431 au 
 Jupiter MOID = 1.93538 au 
 T_jup = 3.424 
[ 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 17.7   n/a MPO427490  

268944 (2007 DH39)          Discovered 2007-Feb-17 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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