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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910591040348599 5.2464e-08  
a 3.097124143026772 2.6775e-08 au
q 2.505390379175343 1.6034e-07 au
i 1.868651123841272 5.2202e-06 deg
node 77.25587425793186 0.00018035 deg
peri 235.9012576371838 0.00018087 deg
M 141.9498751409449 1.6979e-05 deg
tp 2458415.501437487818
(2018-Oct-24.00143749)
8.9262e-05 TDB
period 1990.83995124185
5.45
2.5816e-05
7.068e-08
d
yr
n .1808281975532179 2.3449e-09 deg/d
Q 3.6888579068782 3.189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      9866 days (27.01 yr)  
   first obs. used      1994-01-14  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52031  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:24:55  

Additional Information
 Earth MOID = 1.48998 au 
 Jupiter MOID = 1.6029 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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