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187650 (2007 DA78)
Classification: Main-belt Asteroid          SPK-ID: 2187650
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 .1585408569197782 6.13e-08  
a 2.523953250969957 1.9384e-08 au
q 2.12380353973572 1.4724e-07 au
i 16.28732409677831 4.3591e-06 deg
node 189.22909070973 1.733e-05 deg
peri 237.5436413405443 2.4338e-05 deg
M 215.7698233457171 2.138e-05 deg
tp 2459787.278268723844
(2022-Jul-26.77826872)
9.1163e-05 TDB
period 1464.604576107002
4.01
1.6872e-05
4.619e-08
d
yr
n .2458001332734461 2.8316e-09 deg/d
Q 2.924102962204194 2.2457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      6926 days (18.96 yr)  
   first obs. used      2001-07-31  
   last obs. used      2020-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54283  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:17  

Additional Information
 Earth MOID = 1.17667 au 
 Jupiter MOID = 2.58561 au 
 T_jup = 3.382 
[ 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 15.97   n/a E2021B55  

187650 (2007 DA78)          Discovered 2007-Feb-23 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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