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78190 (2002 NP40)
Classification: Main-belt Asteroid          SPK-ID: 2078190
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07520996745849144 4.889e-08  
a 3.037025750695194 2.0744e-08 au
q 2.808611142814808 1.4695e-07 au
i .4755008721319677 4.1713e-06 deg
node 262.8908557382694 0.00064193 deg
peri 69.3089446065582 0.00064262 deg
M 115.8212464052205 3.0789e-05 deg
tp 2458378.547995592741
(2018-Sep-17.04799559)
0.00016466 TDB
period 1933.174858119304
5.29
1.9807e-05
5.423e-08
d
yr
n .1862221611707837 1.908e-09 deg/d
Q 3.26544035857558 2.2304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      9389 days (25.71 yr)  
   first obs. used      1995-03-02  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:12  

Additional Information
 Earth MOID = 1.79801 au 
 Jupiter MOID = 2.00613 au 
 T_jup = 3.237 
[ 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 15.1   n/a MPO412652  

78190 (2002 NP40)          Discovered 2002-Jul-14 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 NP40 = 1998 YQ33 = 2000 CO146 = 2000 EL72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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