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100294 (1995 DM9)
Classification: Main-belt Asteroid          SPK-ID: 2100294
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1911000815891492 5.3736e-08  
a 3.096539108760382 2.8029e-08 au
q 2.504790232432281 1.6592e-07 au
i 1.868830167858921 5.3778e-06 deg
node 77.25774852101584 0.00020714 deg
peri 235.8345189905779 0.00020768 deg
M 105.8594003797303 1.7213e-05 deg
tp 2458415.251633831544
(2018-Oct-23.75163383)		 9.2492e-05 TDB
period 1990.275885418547
5.45		 2.7023e-05
7.398e-08		 d
yr
n .1808794462302865 2.4559e-09 deg/d
Q 3.688287985088482 3.3385e-08 au
   Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      9441 days (25.85 yr)  
   first obs. used      1994-01-14  
   last obs. used      2019-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:03:33  

Additional Information
 Earth MOID = 1.49136 au 
 Jupiter MOID = 1.60341 au 
 T_jup = 3.194 
[ 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 15.1   n/a MPO453457  

100294 (1995 DM9)          Discovered 1995-Feb-24 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1995 DM9 = 1994 AE15 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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