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JPL Small-Body Database Browser
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312516 (2009 DF17)
Classification: Main-belt Asteroid          SPK-ID: 2312516
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07904788431206762 1.0963e-07  
a 2.341392276648942 2.7393e-08 au
q 2.156310170835228 2.6299e-07 au
i 6.052944493333754 1.0407e-05 deg
node 174.1123712215876 6.0308e-05 deg
peri 336.0136942039941 7.6127e-05 deg
M 319.4840044908829 4.3527e-05 deg
tp 2458747.776587463140
(2019-Sep-21.27658746)
0.00015839 TDB
period 1308.608385910195
3.58
2.2965e-05
6.287e-08
d
yr
n .2751014007522228 4.8278e-09 deg/d
Q 2.526474382462656 2.9558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      8114 days (22.21 yr)  
   first obs. used      1996-09-12  
   last obs. used      2018-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62365  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:04:49  

Additional Information
 Earth MOID = 1.16857 au 
 Jupiter MOID = 2.46116 au 
 T_jup = 3.552 
[ 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 17.6   n/a MPO413278  

312516 (2009 DF17)          Discovered 2009-Feb-16 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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