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181000 (2005 NH39)
Classification: Main-belt Asteroid          SPK-ID: 2181000
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 .1059046495517303 4.7042e-08  
a 2.322511245942092 1.4603e-08 au
q 2.076546506360643 1.0668e-07 au
i 4.898766275091381 6.2909e-06 deg
node 27.47185692385243 4.8885e-05 deg
peri 240.1963025733145 6.0717e-05 deg
M 150.1790920658572 4.1289e-05 deg
tp 2458661.185447840006
(2019-Jun-26.68544784)
0.00014601 TDB
period 1292.811376782442
3.54
1.2193e-05
3.338e-08
d
yr
n .2784628960304871 2.6263e-09 deg/d
Q 2.568475985523543 1.615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      9243 days (25.31 yr)  
   first obs. used      1995-09-27  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5576  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:49  

Additional Information
 Earth MOID = 1.06428 au 
 Jupiter MOID = 2.49804 au 
 T_jup = 3.564 
[ 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 16.8   n/a MPO436894  

181000 (2005 NH39)          Discovered 2005-Jul-06 by Broughton, J. at Reedy Creek
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 NH39 = 2001 HJ59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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