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JPL Small-Body Database Browser
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305782 (2009 DS51)
Classification: Main-belt Asteroid          SPK-ID: 2305782
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405342686931952 5.5418e-08  
a 2.451924760084983 2.012e-08 au
q 2.107345307035702 1.3931e-07 au
i 2.557956606787636 5.9212e-06 deg
node 170.4695754822875 0.00010943 deg
peri 358.0781699009528 0.00011114 deg
M 212.608826880578 1.9433e-05 deg
tp 2459174.653624159514
(2020-Nov-21.15362416)
7.9164e-05 TDB
period 1402.358773072202
3.84
1.7261e-05
4.726e-08
d
yr
n .2567103418273871 3.1597e-09 deg/d
Q 2.796504213134265 2.2947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      5908 days (16.18 yr)  
   first obs. used      2003-10-01  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57493  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:49:21  

Additional Information
 Earth MOID = 1.11423 au 
 Jupiter MOID = 2.17398 au 
 T_jup = 3.480 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457382.5 (2015-Dec-26.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1404054659831463 5.562e-08  
q 2.107635339581829 1.398e-07 au
tp 2457773.357228278093
(2017-Jan-19.85722828)
7.1507e-05 TDB
node 170.4741996254619 0.0001094 deg
peri 358.3471920278935 0.00011109 deg
i 2.558015480622723 5.9229e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      5908 days (16.18 yr)  
   first obs. used      2003-10-01  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57493  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:49:21  

Additional Information
 Jupiter MOID = 2.17398 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.09357017147577E-15 -7.717116336294933E-15 6.907246598679554E-13 2.635887021024263E-15 2.557730383232736E-13 3.470315182459644E-16
q -7.717116336294933E-15 1.954441590396484E-14 -1.282316116769688E-12 -6.630501561119003E-15 -5.426370388285488E-13 -3.079307209422239E-16
tp 6.907246598679554E-13 -1.282316116769688E-12 5.113237800386821E-9 -1.670389253304203E-11 1.395762741737515E-9 2.516328817187196E-12
node 2.635887021024263E-15 -6.630501561119003E-15 -1.670389253304203E-11 1.196749665386094E-8 -1.195926773070672E-8 9.56948961207845E-11
peri 2.557730383232736E-13 -5.426370388285488E-13 1.395762741737515E-9 -1.195926773070672E-8 1.234105272591088E-8 -9.494355589995901E-11
i 3.470315182459644E-16 -3.079307209422239E-16 2.516328817187196E-12 9.56948961207845E-11 -9.494355589995901E-11 3.508026336120866E-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 17.3   n/a MPO455253  

305782 (2009 DS51)          Discovered 2009-Feb-22 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
1987-Jun-01 10:50 00:02 Iris 0.00366885070720757 0.003665035465802 0.00367270407729235 6.73876149596134 6.73876126343995 2446947.951303586 1.70951897830037 798.45240440553 124.091463121862 -79.3766703586877 4347.3752865626 T 15 CATAB v2.0f-lin.ifort 2019-Dec-14 18:49:27 2019-Dec-14 18:49
2079-Aug-02 23:53 00:03 Iris 0.0109675966745246 0.0109466633415667 0.0109886297443091 6.72019067563206 6.72019059763469 2480613.495135944 3.1711113687294 1962.07196428655 120.124309401054 -57.950494253874 11582.3485638203 T 15 CATAB v2.0f-lin.ifort 2019-Dec-14 18:49:27 2019-Dec-14 18:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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