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181017 (2005 NK78)
Classification: Main-belt Asteroid          SPK-ID: 2181017
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08992479924968835 4.5673e-08  
a 2.670132215834566 1.8741e-08 au
q 2.430021112355517 1.2407e-07 au
i 1.627147238451198 5.0659e-06 deg
node 310.3006601928436 0.00017973 deg
peri 352.7320960518289 0.00018224 deg
M 196.6693539171278 3.1886e-05 deg
tp 2459923.540719434425
(2022-Dec-10.04071943)
0.00014418 TDB
period 1593.666989257621
4.36
1.6779e-05
4.594e-08
d
yr
n .2258941186751311 2.3783e-09 deg/d
Q 2.910243319313614 2.0427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      7128 days (19.52 yr)  
   first obs. used      2001-09-12  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57229  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:14  

Additional Information
 Earth MOID = 1.41268 au 
 Jupiter MOID = 2.26201 au 
 T_jup = 3.375 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.09   n/a MPCxxxxx  

181017 (2005 NK78)          Discovered 2005-Jul-11 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 NK78 = 2006 WB148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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