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JPL Small-Body Database Browser
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268950 (2007 DJ51)
Classification: Main-belt Asteroid          SPK-ID: 2268950
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431319755707881 4.7832e-08  
a 2.554622970430603 2.3215e-08 au
q 2.188974737834356 1.2308e-07 au
i 5.93846467319313 1.1386e-05 deg
node 325.4056296095658 5.4273e-05 deg
peri 262.7926027432206 6.9619e-05 deg
M 297.6179551025245 4.4262e-05 deg
tp 2458858.931680926782
(2020-Jan-10.43168093)
0.00018467 TDB
period 1491.381138379556
4.08
2.0329e-05
5.566e-08
d
yr
n .2413869873606918 3.2904e-09 deg/d
Q 2.92027120302685 2.6538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      5825 days (15.95 yr)  
   first obs. used      2003-03-26  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60879  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:57:42  

Additional Information
 Earth MOID = 1.18902 au 
 Jupiter MOID = 2.11248 au 
 T_jup = 3.416 
[ 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 16.8   n/a MPO427490  
rotation period rot_per 5.13 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

268950 (2007 DJ51)          Discovered 2007-Feb-17 by CSS at Catalina
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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