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JPL Small-Body Database Browser
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(2021 GJ3)
Classification: Apollo [NEO]          SPK-ID: 54135421
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5302617525847548 0.00051563  
a 1.734789772257193 0.0016276 au
q .814897107253986 0.00012998 au
i 1.539062699447081 0.0015536 deg
node 10.52561060782123 0.0027919 deg
peri 263.1540898318693 0.0012118 deg
M 11.6024893793025 0.011283 deg
tp 2459369.602161281646
(2021-Jun-04.10216128)
0.011696 TDB
period 834.5814093896988
2.28
1.1745
0.003216
d
yr
n .4313539649334579 0.00060704 deg/d
Q 2.6546824372604 0.0024906 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      25 days  
   first obs. used      2021-03-23  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .45372  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-19 06:24:13  

Additional Information
 Earth MOID = .00935955 au 
 Jupiter MOID = 2.48768 au 
 T_jup = 3.978 
[ 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 23.7   .44799 E2021H73 autocmod 2.9c

[ 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
2014-Sep-16 07:19 9_16:40 Earth 0.244466575835987 0.0646916031455767 0.42528212525227 20.7608280214895 20.7603030282781 2456916.804922146 13959.7663326762 9025742.86515826 52.3207203558804 3.43015891055027 38821.3679482369 T 11 CATAB v2.0g-lin.ifort 2021-Apr-19 06:24:13 2021-Apr-19 06:24
2021-Apr-20 23:14 < 00:01 Moon 0.00952580482301991 0.00950074196691182 0.00955087192650907 14.3712358411084 14.3709964397569 2459325.468139551 0.478074444868663 1289.5094871293 5.99404689414293 -14.2467798159351 56595.9872561353 T 11 CATAB v2.0g-lin.ifort 2021-Apr-19 06:24:13 2021-Apr-19 06:24
2021-Apr-21 02:27 < 00:01 Earth 0.00987103981287926 0.00984520212774419 0.00989687709878458 13.4635000592464 13.4434361664092 2459325.601807467 0.223461272196958 1284.59672616808 5.93161420680945 -0.0232028535747925 814.082452493925 T 11 CATAB v2.0g-lin.ifort 2021-Apr-19 06:24:13 2021-Apr-19 06:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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