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JPL Small-Body Database Browser
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154184 (2002 GN117)
Classification: Main-belt Asteroid          SPK-ID: 2154184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846896957695094 5.6192e-08  
a 3.000875592990351 2.9201e-08 au
q 2.446644792678817 1.663e-07 au
i 10.93936854292461 6.1984e-06 deg
node 55.96259173238018 3.1985e-05 deg
peri 76.03136018372463 3.5493e-05 deg
M 215.8954165289464 1.7115e-05 deg
tp 2459760.556202559834
(2022-Jun-30.05620256)
9.6241e-05 TDB
period 1898.761485102258
5.20
2.7714e-05
7.588e-08
d
yr
n .1895972731828464 2.7674e-09 deg/d
Q 3.555106393301886 3.4594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      6793 days (18.60 yr)  
   first obs. used      2000-11-29  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:30:52  

Additional Information
 Earth MOID = 1.4892 au 
 Jupiter MOID = 1.66552 au 
 T_jup = 3.200 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456927.5 (2014-Sep-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808223760768293 5.6065e-08  
q 2.462577162893231 1.6552e-07 au
tp 2457858.549505805326
(2017-Apr-15.04950581)
8.5797e-05 TDB
node 56.05284869682426 3.1923e-05 deg
peri 75.85759126153442 3.5599e-05 deg
i 10.94368464098736 6.1949e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      6793 days (18.60 yr)  
   first obs. used      2000-11-29  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:30:52  

Additional Information
 Jupiter MOID = 1.66552 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.143256013962902E-15 -9.18385329387897E-15 -2.251665278081139E-13 2.345299898396923E-15 -9.364436479889054E-14 -3.098956113521508E-15
q -9.18385329387897E-15 2.739631191664772E-14 1.321460573518479E-12 -1.110473495979178E-15 3.24675403120297E-13 1.321974895057756E-14
tp -2.251665278081139E-13 1.321460573518479E-12 7.361205356158317E-9 -5.373155552735755E-12 1.376063526238451E-9 3.023514241077235E-12
node 2.345299898396923E-15 -1.110473495979178E-15 -5.373155552735755E-12 1.019048424659798E-9 -1.001456255726595E-9 3.164266465997414E-11
peri -9.364436479889054E-14 3.24675403120297E-13 1.376063526238451E-9 -1.001456255726595E-9 1.26725467134874E-9 -3.07213371695211E-11
i -3.098956113521508E-15 1.321974895057756E-14 3.023514241077235E-12 3.164266465997414E-11 -3.07213371695211E-11 3.837651512075727E-11

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 15.6   n/a MPO454000  
diameter diameter 5.145 km 2.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154184 (2002 GN117)          Discovered 2002-Apr-11 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2002 GN117 = 2005 VN22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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