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180980 (2005 NQ8)
Classification: Main-belt Asteroid          SPK-ID: 2180980
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0782076626876594 7.7633e-08  
a 3.163818065812885 3.7834e-08 au
q 2.916383249716668 2.3712e-07 au
i 9.404251601342258 7.6916e-06 deg
node 148.0735429868511 4.3853e-05 deg
peri 191.3148013308712 6.2589e-05 deg
M 240.7591755403955 4.7848e-05 deg
tp 2459881.329160512325
(2022-Oct-28.82916051)
0.00027896 TDB
period 2055.491471945244
5.63
3.6871e-05
1.009e-07
d
yr
n .1751405952851309 3.1416e-09 deg/d
Q 3.411252881909102 4.0793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      8470 days (23.19 yr)  
   first obs. used      1997-02-01  
   last obs. used      2020-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58727  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:00:36  

Additional Information
 Earth MOID = 1.90581 au 
 Jupiter MOID = 1.95499 au 
 T_jup = 3.179 
[ 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 15.9   n/a MPO338410  

180980 (2005 NQ8)          Discovered 2005-Jul-01 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 NQ8 = 1997 CL8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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