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469446 (2002 NL8)
Classification: Mars-crossing Asteroid          SPK-ID: 2469446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3325870186231958 1.0118e-07  
a 2.295264684170866 7.3258e-09 au
q 1.531889445911367 2.2906e-07 au
i 7.01074642513607 4.1969e-06 deg
node 279.368046789833 6.132e-05 deg
peri 49.23333696357773 6.4479e-05 deg
M 95.21237788028363 1.9649e-05 deg
tp 2458864.577959684708
(2020-Jan-16.07795968)
6.8116e-05 TDB
period 1270.128288000119
3.48
6.0808e-06
1.665e-08
d
yr
n .2834359358823809 1.357e-09 deg/d
Q 3.058639922430366 9.7623e-09 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      6754 days (18.49 yr)  
   first obs. used      2002-07-09  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:19:09  

Additional Information
 Earth MOID = .53006 au 
 Jupiter MOID = 2.33757 au 
 T_jup = 3.510 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.66   n/a MPCxxxxx  

469446 (2002 NL8)          Discovered 2002-Jul-09 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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