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(2008 GO20)
Classification: Apollo [NEO]          SPK-ID: 3408681
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4909632278544215 2.7652e-05  
a 1.892805786211947 9.5401e-05 au
q .9635077477118035 3.7826e-06 au
i 2.249712103739645 8.6653e-05 deg
node 119.5927922254292 0.00063895 deg
peri 160.6434367832007 0.00059334 deg
M 283.4395697693438 0.12884 deg
tp 2459402.782994337544
(2021-Jul-07.28299434)
0.35569 TDB
period 951.168609451683
2.60
0.071911
0.0001969
d
yr
n .3784817922108762 2.8614e-05 deg/d
Q 2.822103824712091 0.00014224 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      124 days  
   first obs. used      2008-04-09  
   last obs. used      2008-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .57954  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:36:09  

Additional Information
 Earth MOID = .00891008 au 
 Jupiter MOID = 2.34656 au 
 T_jup = 3.799 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454582.5 (2008-Apr-26.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4910813142840837 2.665e-05  
q .9630076308003185 2.6309e-06 au
tp 2454647.042966254599
(2008-Jun-29.54296625)
0.00012699 TDB
node 119.7628459407831 0.00062991 deg
peri 160.5282631048673 0.00057715 deg
i 2.242107760015252 8.6586e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      124 days  
   first obs. used      2008-04-09  
   last obs. used      2008-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .57954  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:36:09  

Additional Information
 Jupiter MOID = 2.34656 au 
 T_jup = 3.799 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.102078241622694E-10 -6.992805866481943E-11 -1.921198536710141E-9 8.5258693139794E-9 -7.243352316355654E-9 2.295659421374438E-9
q -6.992805866481943E-11 6.921762885912003E-12 1.895690359017473E-10 -8.252435216580458E-10 6.960021580943419E-10 -2.25817394369193E-10
tp -1.921198536710141E-9 1.895690359017473E-10 1.612580194361656E-8 9.974932201459287E-9 -6.391344705079113E-9 -5.527570306977349E-9
node 8.5258693139794E-9 -8.252435216580458E-10 9.974932201459287E-9 3.967874586109098E-7 -3.613458968636471E-7 2.950161533257314E-8
peri -7.243352316355654E-9 6.960021580943419E-10 -6.391344705079113E-9 -3.613458968636471E-7 3.330967717733211E-7 -2.493571761732308E-8
i 2.295659421374438E-9 -2.25817394369193E-10 -5.527570306977349E-9 2.950161533257314E-8 -2.493571761732308E-8 7.497107300891769E-9

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 22.3   n/a MPO141921  

[ 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
1961-Aug-28 17:12 9_06:05 Earth 0.233658616697182 0.0916608309892926 0.376367186457397 16.0435690610582 16.0428582745298 2437540.216700607 13325.0219539454 7127628.90321629 47.4586198336602 4.13190246764376 46329.263767066 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 01:36:10 2021-Apr-15 01:36
1977-Jun-17 06:59 4_01:49 Mars 0.022572487927348 0.0187799151184411 0.0763835527072989 10.9011913344824 10.9000278087871 2443311.791125665 5868.63967642438 3067637.6897827 35.9147575821615 -56.3075745596429 78475.7869097205 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 01:36:10 2021-Apr-15 01:36
1982-May-03 14:59 3_13:44 Earth 0.260465822802898 0.203707293910184 0.317458826683354 16.7406196625492 16.7400085826354 2445093.124022882 5143.49435744908 2862818.99743119 46.0121833080391 -7.64916034084771 98825.5341058902 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 01:36:10 2021-Apr-15 01:36
1995-May-26 14:46 2_20:13 Earth 0.037046118896366 0.0314404747026619 0.0468202783993406 9.49724270120329 9.48966660710255 2449864.115419458 4093.48193926027 736303.656654033 41.2882028366573 -56.6403357927093 109016.500129806 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 01:36:10 2021-Apr-15 01:36
2008-Jun-20 08:44 00:01 Earth 0.0517907287030894 0.0517832135683105 0.0517982438344062 7.93688141581964 7.93039674558712 2454637.863625393 1.16919666665181 374.153465968088 34.7598775613243 -0.60707135496729 12426.7074710559 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 01:36:10 2021-Apr-15 01:36
2021-Jul-26 20:22 4_09:03 Earth 0.0278115372221984 0.0182838152861833 0.0380079269319298 8.288201077786 8.27663382446812 2459422.348702956 6303.03675498358 537063.02766974 50.8150424620173 -22.0480510006978 31824.8693007863 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 01:36:10 2021-Apr-15 01:36
2047-Jun-20 18:06 2_11:57 Earth 0.050454121107417 0.0486836092825159 0.052325190243851 7.88753645995276 7.88083824970285 2468882.254168227 3597.26695616914 144487.899148017 42.6496234913508 51.0120874961223 143478.149026354 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 01:36:10 2021-Apr-15 01:36
2060-May-26 23:48 4_20:31 Earth 0.0343743397574859 0.0309097083430297 0.0496027204604545 9.37335272715277 9.36507950407288 2473606.491911187 6991.42022290451 1184995.25280308 43.8150477171114 -64.0797921152252 103823.404081078 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 01:36:10 2021-Apr-15 01:36
2073-May-06 23:16 9_16:29 Earth 0.20944446971369 0.0728436456345773 0.350545443051407 15.3011956596038 15.3003642215642 2478334.469306635 13948.5078098277 7092045.63440256 47.3348504136458 -9.34102201082145 94260.5299153114 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 01:36:10 2021-Apr-15 01:36
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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