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216749 (2005 NR39)
Classification: Main-belt Asteroid          SPK-ID: 2216749
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115827370411181 5.2367e-08  
a 2.709508208473076 2.5921e-08 au
q 2.39567299757813 1.4663e-07 au
i 16.50123288916902 5.8474e-06 deg
node 97.53956549918895 1.6329e-05 deg
peri 172.3327870702862 2.6534e-05 deg
M 187.2718050854957 2.0142e-05 deg
tp 2459982.118566726301
(2023-Feb-06.61856673)
9.3743e-05 TDB
period 1629.048946877173
4.46
2.3377e-05
6.4e-08
d
yr
n .2209878350740208 3.1712e-09 deg/d
Q 3.023343419368023 2.8923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      5660 days (15.50 yr)  
   first obs. used      2005-07-07  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:08  

Additional Information
 Earth MOID = 1.37837 au 
 Jupiter MOID = 2.10289 au 
 T_jup = 3.295 
[ 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 16.09   n/a MPCxxxxx  

216749 (2005 NR39)          Discovered 2005-Jul-07 by Broughton, J. at Reedy Creek
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 2005 NR39 = 2006 US262 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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