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312530 (2009 DL124)
Classification: Main-belt Asteroid          SPK-ID: 2312530
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2700918576625388 7.8811e-08  
a 2.579573725440446 2.7529e-08 au
q 1.88285186595876 2.175e-07 au
i 6.327406917731519 6.055e-06 deg
node 17.931274468289 2.8949e-05 deg
peri 350.0439828777345 3.1789e-05 deg
M 323.9067368743635 8.6183e-06 deg
tp 2458752.220404114797
(2019-Sep-25.72040411)
3.4796e-05 TDB
period 1513.283664355953
4.14
2.4225e-05
6.632e-08
d
yr
n .2378932704287232 3.8082e-09 deg/d
Q 3.276295584922132 3.4964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      5795 days (15.87 yr)  
   first obs. used      2004-01-18  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44102  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 19:05:20  

Additional Information
 Earth MOID = .881657 au 
 Jupiter MOID = 2.18201 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457853.5 (2017-Apr-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2721364466952997 7.9134e-08  
q 1.877246183216757 2.1842e-07 au
tp 2457236.481392646643
(2015-Aug-01.98139265)
5.1365e-05 TDB
node 18.00353113464017 2.8839e-05 deg
peri 349.654434417336 3.1619e-05 deg
i 6.344393797062866 6.063e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      5795 days (15.87 yr)  
   first obs. used      2004-01-18  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44102  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 19:05:20  

Additional Information
 Jupiter MOID = 2.18201 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.262174301373819E-15 -1.724710370223691E-14 2.714398427809096E-12 -3.5901864952144E-15 5.115438477364381E-13 -3.7100167685491E-14
q -1.724710370223691E-14 4.770822220700785E-14 -7.855802183821772E-12 6.607441458942534E-15 -1.487096246726804E-12 1.033231679041542E-13
tp 2.714398427809096E-12 -7.855802183821772E-12 2.638368321697628E-9 5.594025640715098E-12 6.437297675176395E-10 -2.056380900331493E-11
node -3.5901864952144E-15 6.607441458942534E-15 5.594025640715098E-12 8.316798129918636E-10 -8.236787152533682E-10 3.456711016305896E-11
peri 5.115438477364381E-13 -1.487096246726804E-12 6.437297675176395E-10 -8.236787152533682E-10 9.997459211853227E-10 -3.87844500305695E-11
i -3.7100167685491E-14 1.033231679041542E-13 -2.056380900331493E-11 3.456711016305896E-11 -3.87844500305695E-11 3.675995776181832E-11

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 16.1   n/a MPO455303  

312530 (2009 DL124)          Discovered 2009-Feb-19 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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