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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2702344045000927 7.4503e-08  
a 2.579951196740415 2.5966e-08 au
q 1.882759621449968 2.0499e-07 au
i 6.327028524586197 5.9131e-06 deg
node 17.92582807678632 2.8585e-05 deg
peri 350.081584832036 3.1149e-05 deg
M 59.03100998227504 7.4739e-06 deg
tp 2458752.304801205393
(2019-Sep-25.80480121)
3.3254e-05 TDB
period 1513.615836708319
4.14
2.2851e-05
6.256e-08
d
yr
n .2378410632798985 3.5907e-09 deg/d
Q 3.277142772030862 3.2983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      6125 days (16.77 yr)  
   first obs. used      2004-01-18  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43801  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:03  

Additional Information
 Earth MOID = .882408 au 
 Jupiter MOID = 2.18461 au 
 T_jup = 3.364 
[ 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 16.1   n/a MPO455303  

312530 (2009 DL124)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
1985-Aug-01 05:06 00:05 Amphi 0.0443587301915346 0.0443546045972222 0.044362869072287 4.49712337838458 4.49712334956689 2446278.712580440 4.64084785555071 1707.47520332295 144.230576757875 85.0444375435549 45819.6143559389 T 21 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:04 2020-Nov-11 18:47
2123-Nov-09 05:09 00:13 Eunom 0.0496550614015364 0.0496479893618922 0.0496621938708805 5.16254217594823 5.16254212118781 2496781.714520407 12.562790559863 5914.22629616623 313.829534866146 88.4152651289008 23645.8089104373 T 21 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:04 2020-Nov-11 18:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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