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(2020 GN1)
Classification: Apollo [NEO]          SPK-ID: 54016472
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 2458943.5 (2020-Apr-04.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2652671149590787 0.00095095  
a 1.300249329775873 0.0014725 au
q .9553359413387519 0.00015526 au
i 1.789437961554111 0.0052347 deg
node 188.3758385575172 0.0015705 deg
peri 51.59522293113049 0.013903 deg
M 333.8268734880611 0.050148 deg
tp 2458982.872363714817
(2020-May-13.37236371)
0.0094638 TDB
period 541.5497812563059
1.48
0.91997
0.002519
d
yr
n .664758831893274 0.0011293 deg/d
Q 1.645162718212995 0.0018632 au
  Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      2 days  
   first obs. used      2020-04-03  
   last obs. used      2020-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .59156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-05 07:42:49  

Additional Information
 Earth MOID = .00671675 au 
 Jupiter MOID = 3.36131 au 
 T_jup = 4.965 
[ 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 27.128   .83526 1 autocmod 2.8

[ 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
1971-Oct-18 21:10 1_13:40 Mars 0.0430252657407944 0.0406441842146395 0.14093202155358 5.94719742684334 5.94607847569272 2441243.381610127 2260.42653005558 6032125.2729057 2576.28149868164 71.0588278359284 2255.06711676585 T 1 CATAB v2.0f-lin.ifort 2020-Apr-05 07:42:50 2020-Apr-05 07:42
2007-Dec-19 17:07 9_08:17 Mars 0.0949889710536915 0.081582501529051 0.292601891090187 6.95769379887718 6.95726060609533 2454454.213012979 13456.8458288499 11587453.3696304 893.553446168908 59.2123485934599 12638.3936502716 T 1 CATAB v2.0f-lin.ifort 2020-Apr-05 07:42:50 2020-Apr-05 07:42
2020-Apr-06 17:31 00:01 Earth 0.0196646657902652 0.019479696863654 0.0198496117873651 6.47058192950457 6.44960765748208 2458946.230129571 1.35575344582912 9161.90126326931 20.8264720176191 0.000166398606330763 180.856307732903 T 1 CATAB v2.0f-lin.ifort 2020-Apr-05 07:42:50 2020-Apr-05 07:42
2020-Aug-10 05:40 12:56 Earth 0.288071488116807 0.285371604091904 0.290772412439202 2.32914984509859 2.3251753189801 2459071.735822596 776.37445217348 137409.198592486 3263.34082720825 -9.30486413021229 760.401337384737 T 1 CATAB v2.0f-lin.ifort 2020-Apr-05 07:42:50 2020-Apr-05 07:42
2023-Mar-15 16:27 4_19:32 Earth 0.335985672650478 0.240220903344129 0.431748539427908 15.9633531468964 15.9628563553067 2460019.185680169 6932.02324274281 4775187.98591154 156.315559746507 -0.198647202792415 868.96051759185 T 1 CATAB v2.0f-lin.ifort 2020-Apr-05 07:42:50 2020-Apr-05 07:42
2023-Sep-23 19:09 8_11:16 Earth 0.464021946310914 0.428963815825924 0.49917690530291 7.06973618538215 7.06892392442832 2460211.297635979 12195.6890806763 1782251.06210393 1859.44127127317 -10.8658492438876 3697.96213965068 T 1 CATAB v2.0f-lin.ifort 2020-Apr-05 07:42:50 2020-Apr-05 07:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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