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JPL Small-Body Database Browser
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268939 (2007 DC28)
Classification: Main-belt Asteroid          SPK-ID: 2268939
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07919851611769592 4.3015e-08  
a 2.439030994060788 2.1436e-08 au
q 2.245863358566105 1.0092e-07 au
i 8.742376849465929 6.8355e-06 deg
node .796178990663895 3.1768e-05 deg
peri 275.8446130065927 5.6328e-05 deg
M 326.0185819371607 4.5267e-05 deg
tp 2458731.829836351490
(2019-Sep-05.32983635)
0.00017491 TDB
period 1391.311598565641
3.81
1.8342e-05
5.022e-08
d
yr
n .2587486515394097 3.4111e-09 deg/d
Q 2.632198629555471 2.3133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      6439 days (17.63 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57951  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:39:05  

Additional Information
 Earth MOID = 1.24999 au 
 Jupiter MOID = 2.47961 au 
 T_jup = 3.483 
[ 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 16.3   n/a MPO437236  

268939 (2007 DC28)          Discovered 2007-Feb-17 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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