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268940 (2007 DS28)
Classification: Main-belt Asteroid          SPK-ID: 2268940
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170997457373362 7.077e-08  
a 2.559184664355625 1.7962e-08 au
q 2.121570593801912 1.8423e-07 au
i 3.00920513346967 9.1066e-06 deg
node 121.1387144349792 0.00010463 deg
peri 334.2622437202892 0.00010818 deg
M 136.7454604987007 2.3268e-05 deg
tp 2458432.483068852922
(2018-Nov-09.98306885)
9.7503e-05 TDB
period 1495.377575732331
4.09
1.5743e-05
4.31e-08
d
yr
n .240741874053914 2.5345e-09 deg/d
Q 2.996798734909337 2.1034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6379 days (17.46 yr)  
   first obs. used      2001-10-15  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 13:07:10  

Additional Information
 Earth MOID = 1.13884 au 
 Jupiter MOID = 2.17701 au 
 T_jup = 3.413 
[ 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 17.1   n/a MPO427490  

268940 (2007 DS28)          Discovered 2007-Feb-17 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2007 DS28 = 2005 QL24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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