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(2018 GG)
Classification: Apollo [NEO]          SPK-ID: 3802394
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6055482893002386 0.0006493  
a 2.17536575044081 0.0033055 au
q .8580767416590478 0.00010861 au
i 7.169665884814851 0.0055119 deg
node 22.98911841759794 0.00024242 deg
peri 229.1357265368816 0.0025228 deg
M 228.5690656118235 0.51798 deg
tp 2459428.350408973914
(2021-Aug-01.85040897)
2.6614 TDB
period 1171.917006811336
3.21
2.6711
0.007313
d
yr
n .3071889885611629 0.00070016 deg/d
Q 3.492654759222573 0.0053071 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      5 days  
   first obs. used      2018-04-06  
   last obs. used      2018-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .58521  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-13 06:28:59  

Additional Information
 Earth MOID = .005397 au 
 Jupiter MOID = 1.62932 au 
 T_jup = 3.413 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.7   n/a MPO445222  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2018-Apr-11 21:58 < 00:01 Earth 0.012017414560771 0.0119840814731924 0.0120507472227587 13.8907902726955 13.8748195675188 2458220.415468090 0.044499824135995 1658.34123743999 1.3380301207745 -0.0252782223533447 774.662266343903 T 3 CATAB v2.0e-lin.ifort 2018-Apr-13 06:29:03 2018-Dec-11 17:20
2127-Apr-12 11:44 8_12:45 Earth 0.0100363763703123 0.000715574764584168 0.0948720877094848 14.1773502539603 14.1586120722247 2498031.988793501 12285.3052267238 4231615.73160577 8.71205859471739 -4.15655045085064 11820.8441699364 T 3 CATAB v2.0e-lin.ifort 2018-Apr-13 06:29:03 2018-Dec-11 17:20
2127-Apr-12 19:40 8_18:24 Moon 0.00871094803988373 0.00149808709436066 0.0892055987094772 14.6851158696861 14.6848596693124 2498032.319216216 12623.736212207 4019789.91107973 8.98462245706419 -9.90483764825929 24795.517409207 T 3 CATAB v2.0e-lin.ifort 2018-Apr-13 06:29:03 2018-Dec-11 17:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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