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358881 (2008 GK4)
Classification: Main-belt Asteroid          SPK-ID: 2358881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2797123835721846 6.8658e-08  
a 3.089663982446738 2.3391e-08 au
q 2.225446705479432 2.084e-07 au
i 17.85709214572856 8.1579e-06 deg
node 74.32932715906445 1.7169e-05 deg
peri 154.2960238930975 2.3686e-05 deg
M 78.21091685594435 1.2464e-05 deg
tp 2458569.546731998440
(2019-Mar-27.04673200)
6.6694e-05 TDB
period 1983.651166835413
5.43
2.2527e-05
6.168e-08
d
yr
n .1814835219109217 2.061e-09 deg/d
Q 3.953881259414043 2.9934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2002-03-19  
   last obs. used      2019-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52676  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:39:47  

Additional Information
 Earth MOID = 1.22651 au 
 Jupiter MOID = 1.13598 au 
 T_jup = 3.092 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO437516  

358881 (2008 GK4)          Discovered 2008-Apr-08 by Lowe, A. at Mayhill
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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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
1918-Nov-06 06:09 00:05 Jupiter 1.89504105715477 1.89503442841935 1.89504768635242 3.75260100611563 3.63153941426348 2421903.756406410 4.84954543892674 1546.488727242 32.0221914219586 -77.8444142018654 1693264.26852594 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 00:39:59 2020-Feb-26 00:40
1929-Mar-13 11:47 00:02 Jupiter 1.19937889138164 1.19937694274333 1.19938084004271 4.06169264214593 3.88392995085585 2425683.990932051 2.21520939606172 315.894031230387 42.2423064075779 75.1730439309603 1436214.8352342 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 00:39:59 2020-Feb-26 00:40
1989-Oct-09 17:56 00:02 Jupiter 1.70852421542059 1.70852136457661 1.70852706636538 3.78689502947297 3.65363498958353 2447809.247409339 1.75581292189827 713.66591643794 39.6167234523087 -78.9876262210308 1681817.42066228 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 00:39:59 2020-Feb-26 00:40
2000-Mar-18 00:46 < 00:01 Jupiter 1.30665505268357 1.30665385669874 1.30665624866974 4.26733087595081 4.1126193900054 2451621.532075032 0.726805711720175 129.414762113622 43.9589350750567 74.1967419013124 1386163.67653374 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 00:39:59 2020-Feb-26 00:40
2060-Jun-24 18:00 00:01 Jupiter 1.34553510137559 1.34553322440002 1.34553697835728 3.8725938231544 3.70647686840475 2473635.250043060 1.29576284321444 188.88108707013 43.8767659643789 -63.1981328648325 1957129.98810005 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 00:39:59 2020-Feb-26 00:40
2070-Dec-29 06:54 00:02 Jupiter 1.66643273588016 1.66642926835406 1.66643620340768 4.51279807621239 4.39872444846517 2477474.787340603 2.30879866863347 192.281631366148 67.5653742252979 27.7017310188086 1160484.36079478 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 00:39:59 2020-Feb-26 00:40
2131-May-25 14:11 00:02 Jupiter 1.1702590759082 1.17025732434674 1.1702608274813 3.92716468590399 3.73832064905674 2499536.090727109 2.30711591849594 211.150553636757 17.4882649062003 -65.8934253152706 2037505.10958328 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 00:39:59 2020-Feb-26 00:40
2141-Sep-23 15:43 00:10 Jupiter 1.95446850038495 1.9544620030836 1.95447499771351 3.76607774669613 3.64918987646946 2503310.154609973 9.60847670490016 518.92683101555 107.106717101107 -36.6815247376911 981025.344169406 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 00:39:59 2020-Feb-26 00:40

Alternate Designations
 2008 GK4 = 2005 VH83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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