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308690 (2006 DN144)
Classification: Main-belt Asteroid          SPK-ID: 2308690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176597616751238 4.2887e-08  
a 2.318278374029534 1.6102e-08 au
q 1.908875938209983 1.0077e-07 au
i 2.726488023138423 6.4834e-06 deg
node 8.518844804134112 0.00010168 deg
peri 258.1819771804277 0.00010346 deg
M 290.9467322650352 1.7269e-05 deg
tp 2459247.802517290554
(2021-Feb-02.30251729)
6.2064e-05 TDB
period 1289.278685062432
3.53
1.3433e-05
3.678e-08
d
yr
n .2792258990790399 2.9092e-09 deg/d
Q 2.727680809849085 1.8946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      7620 days (20.86 yr)  
   first obs. used      1999-03-23  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5445  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:19:15  

Additional Information
 Earth MOID = .895306 au 
 Jupiter MOID = 2.36342 au 
 T_jup = 3.557 
[ 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 17.5   n/a MPO471238  

308690 (2006 DN144)          Discovered 2006-Feb-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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