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305784 (2009 DL53)
Classification: Main-belt Asteroid          SPK-ID: 2305784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0357449519283991 6.909e-08  
a 2.632914437752418 2.7742e-08 au
q 2.53880103774337 1.7507e-07 au
i 4.408320057974318 5.9566e-06 deg
node 117.638108779718 9.1452e-05 deg
peri 54.17365770367594 0.00013419 deg
M 212.7191841547917 0.00010104 deg
tp 2459638.906391437725
(2022-Feb-28.40639144)
0.00044155 TDB
period 1560.463252451885
4.27
2.4663e-05
6.752e-08
d
yr
n .2307007226439639 3.6463e-09 deg/d
Q 2.727027837761466 2.8734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      6178 days (16.91 yr)  
   first obs. used      2003-11-24  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:45  

Additional Information
 Earth MOID = 1.54722 au 
 Jupiter MOID = 2.2395 au 
 T_jup = 3.394 
[ 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 17.0   n/a MPO440440  

305784 (2009 DL53)          Discovered 2009-Feb-22 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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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
2094-Aug-11 12:30 00:06 Amphi 0.00397037665710659 0.00396491487476412 0.0039763982724985 3.42578121978334 3.4257807971325 2486101.021145654 5.94674940405439 2499.3004667485 92.0981527133834 -83.7765779502688 6405.67551547653 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:46 2020-Nov-11 19:10

Alternate Designations
 2009 DL53 = 2007 VM40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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