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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2139-Nov-14 02:52 00:02 Inter 0.0432062552364709 0.0431724873786629 0.0432400272418661 6.30044433391945 6.30044428014192 2502630.619314864 2.07808193793221 1811.38596653321 117.457248415061 -21.7183902628866 20622.7807655498 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 13:07:20 2020-Feb-25 13:07

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