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(2018 GP)
Classification: Apollo [NEO]          SPK-ID: 3802402
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6364409889004542 0.00058751  
a 2.792043783372912 0.0045366 au
q 1.01507267682969 8.9522e-06 au
i 5.409640454004217 0.0033734 deg
node 23.63250891358563 0.00018688 deg
peri 180.4168887107207 0.0010099 deg
M 164.4007405049811 0.40084 deg
tp 2458222.314683179037
(2018-Apr-13.81468318)
0.00077648 TDB
period 1704.047762771839
4.67
4.1531
0.01137
d
yr
n .2112616840119649 0.00051489 deg/d
Q 4.569014889916134 0.0074238 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      5 days  
   first obs. used      2018-04-08  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .53906  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-23 07:30:42  

Additional Information
 Earth MOID = .0118792 au 
 Jupiter MOID = .403463 au 
 T_jup = 2.989 
[ 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 27.3   n/a MPO445224  

[ 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
1945-Jun-01 19:47 9_00:55 Earth 0.393044569098642 0.143564417959946 0.657992764526472 19.2459035393376 19.2455513013215 2431608.324338554 13015.0067477481 13408152.0147072 764.001515294631 12.7332585510641 14403.4878788735 T 4 CATAB v2.0e-lin.ifort 2018-Apr-23 07:30:46 2018-Dec-11 17:20
1951-Nov-19 08:38 4_13:08 Jupiter 0.702431205979142 0.469711459199128 0.934686794681495 6.8072794454131 6.62777227092264 2433969.859494579 6548.43106253754 11552687.5215735 146.367621617804 -10.0078713427039 83627.8295005491 T 4 CATAB v2.0e-lin.ifort 2018-Apr-23 07:30:46 2018-Dec-11 17:20
2018-Apr-13 11:04 < 00:01 Earth 0.0112099891541495 0.0111831293825925 0.0112368481351378 8.78522329329734 8.7581260788935 2458221.961275918 0.0744347933687799 1331.09080921101 7.07080486356348 -0.0150566724214504 773.079453861446 T 4 CATAB v2.0e-lin.ifort 2018-Apr-23 07:30:46 2018-Dec-11 17:20
2035-May-13 11:18 3_12:44 Jupiter 1.19358306246495 0.979781892682882 1.40654016729324 8.56632170005414 8.48307572028724 2464460.970646303 5083.53670426918 10520344.0197503 64.0027507132355 -0.381912484810072 4078.37681654623 T 4 CATAB v2.0e-lin.ifort 2018-Apr-23 07:30:46 2018-Dec-11 17:20
2177-Nov-11 15:30 9_18:01 Jupiter 0.685751418391443 0.48520083272742 0.884570192612683 6.68355939794014 6.49612327945601 2516508.145956704 14041.1987489313 9800446.9126197 83.6721986753941 -1.5080614913614 18364.7186976018 T 4 CATAB v2.0e-lin.ifort 2018-Apr-23 07:30:46 2018-Dec-11 17:20
2184-May-29 17:58 4_00:07 Earth 0.0953713361603812 0.0543624668346151 0.300929983832027 12.4358547777677 12.4336080105363 2518899.248271916 5767.2220316334 10852086.024296 246.403375127808 34.7614506203053 19361.1216097283 T 4 CATAB v2.0e-lin.ifort 2018-Apr-23 07:30:46 2018-Dec-11 17:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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