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243084 (2007 NL7)
Classification: Jupiter Trojan          SPK-ID: 2243084
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05027828580687246 9.6347e-08  
a 5.234488464359572 2.1246e-07 au
q 4.971307357295725 6.7038e-07 au
i 17.20963752473661 6.4073e-06 deg
node 57.1231325061672 2.5665e-05 deg
peri 338.4299131229448 7.0183e-05 deg
M 307.8912038085582 6.6538e-05 deg
tp 2459633.667095000373
(2022-Feb-23.16709500)
0.00081509 TDB
period 4374.312416711911
11.98
0.00026632
7.291e-07
d
yr
n .08229864849722034 5.0106e-09 deg/d
Q 5.497669571423419 2.2314e-07 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      10397 days (28.47 yr)  
   first obs. used      1992-05-06  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56436  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:58:44  

Additional Information
 Earth MOID = 3.98521 au 
 Jupiter MOID = .029101 au 
 T_jup = 2.908 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457408.5 (2016-Jan-21.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04784638696010088 9.6065e-08  
q 4.994557774005215 6.666e-07 au
tp 2455242.303163678231
(2010-Feb-14.80316368)
0.00085674 TDB
node 57.15238694310123 2.5645e-05 deg
peri 337.509399364493 7.3474e-05 deg
i 17.20835563427124 6.4074e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      10397 days (28.47 yr)  
   first obs. used      1992-05-06  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56436  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:58:44  

Additional Information
 Jupiter MOID = .029101 au 
 T_jup = 2.908 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.228533332460136E-15 -6.271177806466049E-14 -9.901328757439865E-12 1.806559363391862E-14 -1.640854739076814E-12 -2.043801174242153E-14
q -6.271177806466049E-14 4.443579479906175E-13 2.383931531247967E-11 -1.209226081157415E-13 8.593084672463443E-12 1.535376590554533E-13
tp -9.901328757439865E-12 2.383931531247967E-11 7.339958970872333E-7 3.783494109444908E-11 5.843286242917513E-8 3.789353243268865E-13
node 1.806559363391862E-14 -1.209226081157415E-13 3.783494109444908E-11 6.5765177614644E-10 -6.262139725160549E-10 -5.637835101425079E-11
peri -1.640854739076814E-12 8.593084672463443E-12 5.843286242917513E-8 -6.262139725160549E-10 5.398455332872623E-9 5.651105403155938E-11
i -2.043801174242153E-14 1.535376590554533E-13 3.789353243268865E-13 -5.637835101425079E-11 5.651105403155938E-11 4.105506444328957E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4   n/a MPO264588  
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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