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JPL Small-Body Database Browser
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241099 (2007 GH2)
Classification: Jupiter Trojan          SPK-ID: 2241099
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156331677653445 7.3899e-08  
a 5.265208394809964 2.1554e-07 au
q 4.656375669173403 5.3065e-07 au
i 15.8709113265508 8.0809e-06 deg
node 43.19516949641987 2.225e-05 deg
peri 281.3457367437609 4.503e-05 deg
M 274.7486616739276 4.5726e-05 deg
tp 2460045.510079090522
(2023-Apr-11.01007909)
0.00060028 TDB
period 4412.876511494412
12.08
0.00027097
7.419e-07
d
yr
n .08157944122440143 5.0093e-09 deg/d
Q 5.874041120446525 2.4046e-07 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57024  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:26:41  

Additional Information
 Earth MOID = 3.69154 au 
 Jupiter MOID = .0568005 au 
 T_jup = 2.910 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457678.5 (2016-Oct-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148128755504652 7.3713e-08  
q 4.659430468509291 5.2948e-07 au
tp 2455644.848793361207
(2011-Mar-24.34879336)
0.00047468 TDB
node 43.19980286487858 2.2253e-05 deg
peri 282.0189529408494 4.535e-05 deg
i 15.86994291255315 8.0804e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57024  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:26:41  

Additional Information
 Jupiter MOID = .0568005 au 
 T_jup = 2.910 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.433584074871087E-15 -3.74273062784713E-14 -7.405117472733679E-13 -2.568750448762073E-14 -3.357722632852688E-13 7.228837930373255E-15
q -3.74273062784713E-14 2.803445624955464E-13 2.765900006571649E-11 2.308241910748915E-13 5.136750170188934E-12 -4.977503195533713E-14
tp -7.405117472733679E-13 2.765900006571649E-11 2.25324972410932E-7 1.289254189432666E-10 1.847772953017053E-8 -1.50273779305696E-11
node -2.568750448762073E-14 2.308241910748915E-13 1.289254189432666E-10 4.951946080269391E-10 -4.619115587492075E-10 -3.891406817385057E-11
peri -3.357722632852688E-13 5.136750170188934E-12 1.847772953017053E-8 -4.619115587492075E-10 2.056646070845185E-9 3.575634719050097E-11
i 7.228837930373255E-15 -4.977503195533713E-14 -1.50273779305696E-11 -3.891406817385057E-11 3.575634719050097E-11 6.529290113611761E-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 12.9   n/a MPO241523  
diameter diameter 13.649 km 1.224 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.079   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

241099 (2007 GH2)          Discovered 2007-Apr-06 by Charleston at Charleston
Reference: 20100527/Numbers.arcLast Updated: 2010-06-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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