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243084 (2007 NL7)
Classification: Jupiter Trojan          SPK-ID: 2243084
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05039118430793916 9.5942e-08  
a 5.232429543278138 2.1193e-07 au
q 4.968761221784503 6.6873e-07 au
i 17.2115324854527 6.3935e-06 deg
node 57.1121544104981 2.5658e-05 deg
peri 339.3256415066226 7.0525e-05 deg
M 339.6825705755988 6.7368e-05 deg
tp 2459643.228756315226
(2022-Mar-04.72875632)
0.00082112 TDB
period 4371.731798256236
11.97
0.00026561
7.272e-07
d
yr
n .082347229110348 5.003e-09 deg/d
Q 5.496097864771772 2.2261e-07 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      10432 days (28.56 yr)  
   first obs. used      1992-05-06  
   last obs. used      2020-11-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5643  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:42:12  

Additional Information
 Earth MOID = 3.98183 au 
 Jupiter MOID = .0304647 au 
 T_jup = 2.908 
[ 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 12.43   n/a E2021B55  
diameter diameter 18.099 km 0.852 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.059   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

243084 (2007 NL7)          Discovered 2007-Jul-11 by Siding Spring Survey at Siding Spring
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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