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392422 (2010 NB4)
Classification: Main-belt Asteroid          SPK-ID: 2392422
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08878465655324222 9.2488e-08  
a 3.134038680448848 5.6866e-08 au
q 2.855784132580621 3.1669e-07 au
i 11.44114671574008 5.1807e-06 deg
node 117.9415448908689 4.2708e-05 deg
peri 267.0792272793155 5.6402e-05 deg
M 217.0107897990458 4.3593e-05 deg
tp 2459805.425566321922
(2022-Aug-13.92556632)
0.00026021 TDB
period 2026.538949817614
5.55
5.5156e-05
1.51e-07
d
yr
n .1776427736720282 4.8349e-09 deg/d
Q 3.412293228317075 6.1915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      5410 days (14.81 yr)  
   first obs. used      2005-09-24  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:25:26  

Additional Information
 Earth MOID = 1.88907 au 
 Jupiter MOID = 2.03062 au 
 T_jup = 3.176 
[ 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 15.6   n/a MPO434453  

392422 (2010 NB4)          Discovered 2005-Sep-24 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2010 NB4 = 2008 EC28 = 2011 UO387 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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