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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07526150909805884 4.8853e-08  
a 3.037243496804335 1.963e-08 au
q 2.808655967736576 1.4641e-07 au
i .4753849552110226 3.9833e-06 deg
node 262.8841834154326 0.00060625 deg
peri 69.42840580695375 0.00060689 deg
M 152.9334874569316 2.9645e-05 deg
tp 2458379.169530337822
(2018-Sep-17.66953034)
0.00015741 TDB
period 1933.382766554983
5.29
1.8743e-05
5.132e-08
d
yr
n .186202135566497 1.8051e-09 deg/d
Q 3.265831025872095 2.1107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      9454 days (25.88 yr)  
   first obs. used      1995-03-02  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55537  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:14:02  

Additional Information
 Earth MOID = 1.79616 au 
 Jupiter MOID = 2.00551 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 15.16   n/a E2021B10  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1930-Jun-07 02:31 00:02 Jupiter 1.99139977974231 1.99139944987747 1.99140010960714 3.34162825859093 3.21182173895376 2426134.604980702 2.41153247799754 50.1752861370912 12.9581054616326 86.4259639470173 3851662.62778864 T 25 CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:04 2021-Feb-24 07:14

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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