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(2020 GH2)
Classification: Apollo [NEO]          SPK-ID: 54016499
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .336002132679311 0.00021499  
a 1.471299074520906 0.00044885 au
q .976939447672785 1.8283e-05 au
i 10.9943235681547 0.0059259 deg
node 25.31457936996945 1.8198e-05 deg
peri 206.5451421554249 0.0028855 deg
M 12.60711988994817 0.0059665 deg
tp 2458977.672242432933
(2020-May-08.17224243)
0.00040058 TDB
period 651.8533016169968
1.78
0.2983
0.0008167
d
yr
n .55227149898141 0.00025273 deg/d
Q 1.965658701369027 0.00059967 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      4 days  
   first obs. used      2020-04-11  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .3768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-23 07:00:05  

Additional Information
 Earth MOID = 2.82602E-5 au 
 Jupiter MOID = 3.03938 au 
 T_jup = 4.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458952.5 (2020-Apr-13.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3233250590553826 0.00022921  
q .9750826476923677 1.6054e-05 au
tp 2458978.951477455204
(2020-May-09.45147745)
0.0020415 TDB
node 25.36272787222172 9.9165e-05 deg
peri 207.8837437326227 0.00048474 deg
i 11.2542794690971 0.0056376 deg
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      4 days  
   first obs. used      2020-04-11  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .3768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-23 07:00:05  

Additional Information
 Jupiter MOID = 3.03938 au 
 T_jup = 4.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.253632620948495E-8 -3.67894359759123E-9 -4.667196289044521E-7 -2.270667621973051E-8 1.041957982491878E-7 1.292098252795655E-6
q -3.67894359759123E-9 2.577333129944589E-10 3.263444475736666E-8 1.589070932959942E-9 -7.352077685247131E-9 -9.050011021559081E-8
tp -4.667196289044521E-7 3.263444475736666E-8 4.167692776304992E-6 2.021793716789948E-7 -9.009993058920021E-7 -1.147027601606848E-5
node -2.270667621973051E-8 1.589070932959942E-9 2.021793716789948E-7 9.833703720886491E-9 -4.452161389990666E-8 -5.582750743233323E-7
peri 1.041957982491878E-7 -7.352077685247131E-9 -9.009993058920021E-7 -4.452161389990666E-8 2.349743749417074E-7 2.572248099277868E-6
i 1.292098252795655E-6 -9.050011021559081E-8 -1.147027601606848E-5 -5.582750743233323E-7 2.572248099277868E-6 3.178203088919494E-5

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 26.621   .42253 6 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
1951-Apr-20 03:55 1_13:22 Earth 0.0268053870980634 0.0181954977411641 0.0354887303093535 8.22311630115458 8.2110194203928 2433756.663314077 2242.15794236404 436824.868834945 19.6726857032854 8.68158922970646 28617.7109469551 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
1963-Jul-14 14:46 9_00:57 Earth 0.360949542333212 0.267472908733952 0.467166535320673 14.9802294290066 14.9797366473427 2438225.115573383 13017.0336738938 6027121.8565057 283.796168054663 32.7937928261492 81173.9790616539 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
2008-Mar-10 07:54 5_12:14 Earth 0.492299885036297 0.38510686809543 0.599603402376578 21.3127772773679 21.3125233291536 2454535.829310692 7934.41399913041 5360670.09413909 35.247235107531 -3.85306766237524 126257.267130498 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
2013-Jul-22 16:38 3_20:56 Earth 0.459068944415663 0.404446999415964 0.515112707153388 18.285053977958 18.284736552346 2456496.193219870 5575.68309750791 3039350.84533289 312.673507469492 24.6029894807617 75463.6248564115 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
2020-Apr-15 12:47 < 00:01 Earth 0.00240085878516096 0.00239664579521053 0.00240507135601393 8.7061250586083 8.5777041405668 2458955.032705284 0.0602791126372337 203.938795948516 1.55718872542356 0.235369579473267 1053.45503934025 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
2020-Apr-15 20:29 00:01 Moon 0.00462592620307932 0.00462146846967843 0.00463038469540387 8.23530740131497 8.23444707552546 2458955.353459078 1.0143789392524 241.147362202774 1.58949564421368 -22.8499875324959 180679.80038334 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
2029-Mar-10 09:08 3_23:34 Earth 0.480890689436414 0.40513288897991 0.556706087565365 21.1006934393873 21.1004308531486 2462205.880335782 5734.15388391472 3788273.11754704 45.3135805782953 -3.93626463040607 98159.4002644935 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
2070-Mar-21 04:28 3_21:09 Earth 0.294721124632049 0.229805298147207 0.359724888194068 15.8585008399441 15.8579307455537 2477191.685931039 5588.92687499181 3249215.64248677 37.6441187466307 -4.39825004711049 81142.4272470891 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
2077-Jul-17 00:41 1_05:31 Earth 0.403133844117896 0.389324343028821 0.417033104386448 16.6708082830518 16.6704118118893 2479866.528431622 1771.33546388948 753176.891089944 411.558943520582 23.4609898807846 47277.0133012966 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
2086-Apr-22 16:31 7_22:23 Earth 0.0392997497055017 0.00661591715207368 0.0785492175796071 8.07258451495676 8.06418148200206 2483068.188427841 11422.711626548 1971507.53517715 48.2964001677994 9.73582916823174 19514.0215149569 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
2095-Mar-18 07:29 04:43 Earth 0.349391135528431 0.34556349223328 0.353219111945481 17.4128417423102 17.4124037804585 2486319.811593763 282.583434123635 191634.042463216 36.8537762094999 -5.10872553747113 118205.657066245 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
2102-Jul-19 23:18 2_19:10 Earth 0.422577881650589 0.385833954439171 0.460049289532719 17.3416683004362 17.3413047042888 2488999.470937280 4030.40484333367 2046652.71458989 410.970169616814 25.1952116370141 53380.0219110203 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
2120-Mar-27 23:43 8_18:38 Earth 0.200473244194192 0.0731678603471031 0.328506590680792 13.3409126969023 13.3399164049716 2495460.487965635 12637.6919466027 6394817.5929014 34.894422693503 -4.21364974029426 57674.5289257833 T 6 CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:06 2020-Apr-23 07:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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