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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405342869413584 5.7226e-08  
a 2.451924765252357 2.0522e-08 au
q 2.107345266733759 1.4283e-07 au
i 2.557955488049097 6.2642e-06 deg
node 170.4695784781067 0.00010956 deg
peri 358.0781656139906 0.00011127 deg
M 212.6088262373578 1.9439e-05 deg
tp 2459174.653628480163
(2020-Nov-21.15362848)
7.9234e-05 TDB
period 1402.358777505358
3.84
1.7606e-05
4.82e-08
d
yr
n .2567103410158706 3.223e-09 deg/d
Q 2.796504263770954 2.3407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5901 days (16.16 yr)  
   first obs. used      2003-10-01  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:14:19  

Additional Information
 Earth MOID = 1.11423 au 
 Jupiter MOID = 2.17398 au 
 T_jup = 3.480 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457305.5 (2015-Oct-10.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1403572224050547 5.7419e-08  
q 2.107904898283221 1.433e-07 au
tp 2457773.310753835542
(2017-Jan-19.81075384)
7.1545e-05 TDB
node 170.472287237939 0.00010953 deg
peri 358.3238250858541 0.00011122 deg
i 2.557951220992871 6.266e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5901 days (16.16 yr)  
   first obs. used      2003-10-01  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:14:19  

Additional Information
 Jupiter MOID = 2.17398 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.296921121096861E-15 -8.166078102597672E-15 6.872113066511281E-13 3.31876961268905E-15 2.398916671377707E-13 1.136052025850934E-16
q -8.166078102597672E-15 2.053603657006665E-14 -1.275165138749109E-12 -8.265416369957282E-15 -5.076827358872374E-13 2.248428813346159E-16
tp 6.872113066511281E-13 -1.275165138749109E-12 5.118685068602693E-9 -1.559351785883288E-11 1.396339011383346E-9 2.094781959283776E-12
node 3.31876961268905E-15 -8.265416369957282E-15 -1.559351785883288E-11 1.199611978967426E-8 -1.198755717086794E-8 8.48365812101721E-11
peri 2.398916671377707E-13 -5.076827358872374E-13 1.396339011383346E-9 -1.198755717086794E-8 1.23705103520867E-8 -8.421190540167798E-11
i 1.136052025850934E-16 2.248428813346159E-16 2.094781959283776E-12 8.48365812101721E-11 -8.421190540167798E-11 3.926229403932017E-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

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