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JPL Small-Body Database Browser
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390823 (2004 NQ23)
Classification: Main-belt Asteroid          SPK-ID: 2390823
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2196448839683655 5.3467e-08  
a 2.338822672485841 1.7115e-08 au
q 1.825112237965106 1.2532e-07 au
i 13.33207296178252 6.0073e-06 deg
node 145.3849354910171 3.5598e-05 deg
peri 191.8449847995888 4.1378e-05 deg
M 28.47405374338717 2.2601e-05 deg
tp 2458497.166492918313
(2019-Jan-13.66649292)
8.1471e-05 TDB
period 1306.454742435352
3.58
1.434e-05
3.926e-08
d
yr
n .2755548954791399 3.0247e-09 deg/d
Q 2.852533107006575 2.0874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5156 days (14.12 yr)  
   first obs. used      2004-06-19  
   last obs. used      2018-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55406  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:39:57  

Additional Information
 Earth MOID = .816058 au 
 Jupiter MOID = 2.53217 au 
 T_jup = 3.498 
[ 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 17.1   n/a MPO455777  

390823 (2004 NQ23)          Discovered 2004-Jul-14 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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