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JPL Small-Body Database Browser
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305774 (2009 DY45)
Classification: Main-belt Asteroid          SPK-ID: 2305774
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596399057337577 1.9505e-07  
a 2.59094356579955 4.7829e-08 au
q 2.177325579193824 5.3031e-07 au
i 1.07615230835785 8.8472e-06 deg
node 207.2280061519449 0.00048998 deg
peri 344.5192102440248 0.00049266 deg
M 130.2534938602207 6.9811e-05 deg
tp 2458049.346921021543
(2017-Oct-22.84692102)
0.00028219 TDB
period 1523.299702387794
4.17
4.218e-05
1.155e-07
d
yr
n .2363290686893032 6.544e-09 deg/d
Q 3.004561552405276 5.5464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5313 days (14.55 yr)  
   first obs. used      2005-03-13  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61887  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:41:02  

Additional Information
 Earth MOID = 1.17757 au 
 Jupiter MOID = 1.95431 au 
 T_jup = 3.401 
[ 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 17.3   n/a MPO352871  

305774 (2009 DY45)          Discovered 2009-Feb-23 by LINEAR at Socorro
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 DY45 = 2005 GE54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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