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344181 (2001 DR15)
Classification: Main-belt Asteroid          SPK-ID: 2344181
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .234733428619763 6.7896e-08  
a 2.558516949294637 1.7708e-08 au
q 1.957947493604931 1.8133e-07 au
i 7.275162328291318 6.7527e-06 deg
node 108.5840324157479 3.7845e-05 deg
peri 14.16036373056917 4.0108e-05 deg
M 272.8221281105376 1.7723e-05 deg
tp 2459362.480050965833
(2021-May-27.98005097)
7.6621e-05 TDB
period 1494.792377048736
4.09
1.5519e-05
4.249e-08
d
yr
n .2408361224792776 2.5003e-09 deg/d
Q 3.159086404984343 2.1865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      6791 days (18.59 yr)  
   first obs. used      2001-01-19  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51652  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:00:51  

Additional Information
 Earth MOID = .974682 au 
 Jupiter MOID = 1.93282 au 
 T_jup = 3.386 
[ 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 16.5   n/a MPO440550  

344181 (2001 DR15)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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