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187731 (2008 FH76)
Classification: Main-belt Asteroid          SPK-ID: 2187731
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1099633431528528 7.0247e-08  
a 2.685717289434573 2.1826e-08 au
q 2.390386837524929 1.9109e-07 au
i 15.64022453670978 6.3592e-06 deg
node 80.71967439793612 1.8683e-05 deg
peri 142.3121410599289 2.9118e-05 deg
M 299.866942210811 2.2936e-05 deg
tp 2459469.034232482220
(2021-Sep-11.53423248)
0.00010282 TDB
period 1607.640243948801
4.40
1.9597e-05
5.365e-08
d
yr
n .223930696780607 2.7297e-09 deg/d
Q 2.981047741344216 2.4226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      7087 days (19.40 yr)  
   first obs. used      2001-10-15  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5678  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:37  

Additional Information
 Earth MOID = 1.39459 au 
 Jupiter MOID = 2.07622 au 
 T_jup = 3.313 
[ 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 15.57   n/a E2021B55  

187731 (2008 FH76)          Discovered 2008-Mar-31 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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