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(2020 GH2)
Classification: Apollo [NEO]          SPK-ID: 54016499
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3359422740799291 0.00021507  
a 1.471004109645435 0.00044876 au
q .9768316438702263 1.837e-05 au
i 10.99480316981257 0.0059268 deg
node 25.30036481793938 6.1147e-06 deg
peri 206.5368090821638 0.002881 deg
M 123.1093606266786 0.056542 deg
tp 2458977.652466842357
(2020-May-08.15246684)
0.00041665 TDB
period 651.6572868900612
1.78
0.2982
0.0008164
d
yr
n .552437619040596 0.0002528 deg/d
Q 1.965176575420644 0.00059951 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .3768  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:23:24  

Additional Information
 Earth MOID = .000721858 au 
 Jupiter MOID = 3.03868 au 
 T_jup = 4.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458952.5 (2020-Apr-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .323325124581389 0.00022921  
q .975082641985784 1.6054e-05 au
tp 2458978.951477351426
(2020-May-09.45147735)
0.0020415 TDB
node 25.36272768515769 9.9165e-05 deg
peri 207.8837445333778 0.00048474 deg
i 11.25428104654264 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .3768  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:23:24  

Additional Information
 Jupiter MOID = 3.03868 au 
 T_jup = 4.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.253636998015448E-8 -3.678946328800031E-9 -4.667200708054071E-7 -2.270668228714361E-8 1.04195777561334E-7 1.292099198368046E-6
q -3.678946328800031E-9 2.57733480915423E-10 3.263447272624234E-8 1.589071214000879E-9 -7.352075587996069E-9 -9.0500168227141E-8
tp -4.667200708054071E-7 3.263447272624234E-8 4.167697172920828E-6 2.021794481996323E-7 -9.009992266728572E-7 -1.147028571915325E-5
node -2.270668228714361E-8 1.589071214000879E-9 2.021794481996323E-7 9.833700770197686E-9 -4.452157979792304E-8 -5.582751670180738E-7
peri 1.04195777561334E-7 -7.352075587996069E-9 -9.009992266728572E-7 -4.452157979792304E-8 2.349741227787781E-7 2.572247333447707E-6
i 1.292099198368046E-6 -9.0500168227141E-8 -1.147028571915325E-5 -5.582751670180738E-7 2.572247333447707E-6 3.178205092629495E-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 26.6   .42253 MPCxxxxx 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_14:13 Earth 0.0268045037063581 0.0179987767134925 0.0356869906771523 8.22312889369173 8.21103163251169 2433756.663155515 2292.88389133491 446795.497052991 19.6776902964664 8.65308965102272 28520.5276361185 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
1963-Jul-14 14:45 9_01:14 Earth 0.360939988798778 0.267362222636854 0.467292325383112 14.9798974708235 14.9794046651953 2438225.114725013 13034.0843131554 6034558.02253947 283.793600968314 32.7940154825795 81172.7390974618 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
2008-Mar-10 07:53 5_12:15 Earth 0.492309953012398 0.385113368445367 0.599617042208847 21.3130664360162 21.3128124964406 2454535.828793198 7934.64179024066 5360848.4242725 35.2479907958662 -3.8530497339119 126256.58434802 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
2013-Jul-22 16:38 3_20:56 Earth 0.459063719897786 0.404441327825976 0.515108011280775 18.2848867573556 18.284569325228 2456496.192855122 5575.79895460388 3039385.23450127 312.672289941046 24.6032888283987 75463.7713840734 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
2020-Apr-15 12:47 < 00:01 Earth 0.00240085916590898 0.0023966461745087 0.00240507173821173 8.70612643927934 8.577705562404 2458955.032705388 0.0602793181303393 203.938869055446 1.55718893093529 0.235368612196616 1053.45488740689 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
2020-Apr-15 20:29 00:01 Moon 0.0046259266027517 0.00462146886792517 0.0046303850965017 8.23530877163792 8.23444844605674 2458955.353458976 1.01437872136904 241.147425316781 1.5894951964534 -22.8499796196034 180679.775647465 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
2029-Mar-10 09:08 3_23:34 Earth 0.480883551450279 0.405124378251813 0.55670032577016 21.1004906252794 21.1002280326189 2462205.880711595 5734.27850005619 3788341.90139616 45.3129269098227 -3.93627880463757 98159.6948610373 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
2070-Mar-21 04:28 3_21:12 Earth 0.294714940801361 0.229762364798637 0.359755550376789 15.858331456164 15.8577613437217 2477191.686301454 5592.24342377697 3251055.66156709 37.6425370789249 -4.39799762815588 81139.4390594366 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
2077-Jul-17 00:41 1_05:36 Earth 0.403135211263701 0.389280779127015 0.417080109170899 16.6708531964296 16.6704567276798 2479866.528553546 1776.29122205894 755717.792246695 411.523677915847 23.4746836506382 47307.3810068938 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
2086-Apr-22 16:30 7_22:05 Earth 0.0392961473506361 0.00661397497024203 0.0784856922582495 8.07262458195954 8.06422082003367 2483068.187694654 11405.0888563309 1968502.13211767 48.2905206611483 9.73384809977664 19510.8765691067 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
2095-Mar-18 07:29 04:38 Earth 0.349390894378448 0.3456271933139 0.353154918323401 17.4128362689972 17.4123983067055 2486319.811606472 277.684175133117 188434.440264612 36.8381670438288 -5.11493427839878 118459.65184197 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
2102-Jul-19 23:19 2_18:55 Earth 0.422581132533586 0.385979190971494 0.459904579996855 17.3417758310562 17.3414122399604 2488999.471183890 4014.91792885741 2038579.81840834 410.994422315342 25.1914729559083 53369.8720800269 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
2120-Mar-27 23:44 8_18:02 Earth 0.200461771289754 0.0735150864627479 0.328129518012675 13.3406064360803 13.3396100642522 2495460.488754275 12602.0933178418 6376567.46239843 34.8920610563044 -4.21346263025306 57672.9393424586 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:23:24 2021-Apr-15 22:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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