Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
358881 (2008 GK4)
Classification: Main-belt Asteroid          SPK-ID: 2358881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2796608372240382 5.6611e-08  
a 3.088832014021826 2.3321e-08 au
q 2.22500666693607 1.7066e-07 au
i 17.85728275917607 7.0295e-06 deg
node 74.32503944195426 1.6963e-05 deg
peri 154.2429683823646 2.115e-05 deg
M 114.5933572437634 1.0906e-05 deg
tp 2458569.329337720476
(2019-Mar-26.82933772)
5.6725e-05 TDB
period 1982.850000085801
5.43
2.2456e-05
6.148e-08
d
yr
n .1815568499807965 2.0561e-09 deg/d
Q 3.952657361107581 2.9843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      6787 days (18.58 yr)  
   first obs. used      2002-03-19  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53298  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:26:02  

Additional Information
 Earth MOID = 1.2248 au 
 Jupiter MOID = 1.13629 au 
 T_jup = 3.093 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457717.5 (2016-Nov-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2789454516100205 5.69e-08  
q 2.229273589297399 1.7178e-07 au
tp 2458570.146925696265
(2019-Mar-27.64692570)
5.668e-05 TDB
node 74.33962082302502 1.6954e-05 deg
peri 154.4164597759401 2.1101e-05 deg
i 17.85655402567278 7.0282e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      6787 days (18.58 yr)  
   first obs. used      2002-03-19  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53298  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:26:02  

Additional Information
 Jupiter MOID = 1.13629 au 
 T_jup = 3.093 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.237621334144877E-15 -9.731423778492669E-15 1.383214812881902E-12 -1.859892031279388E-14 3.323125020761854E-13 -1.522864829845843E-15
q -9.731423778492669E-15 2.950917824908715E-14 -3.894589749500996E-12 5.831008493057427E-14 -9.759319050148436E-13 6.787779313407959E-15
tp 1.383214812881902E-12 -3.894589749500996E-12 3.212613180899368E-9 -1.552076364308119E-11 7.235208802005182E-10 2.322261727739308E-12
node -1.859892031279388E-14 5.831008493057427E-14 -1.552076364308119E-11 2.874496765828078E-10 -2.76740638484015E-10 1.411926592618793E-11
peri 3.323125020761854E-13 -9.759319050148436E-13 7.235208802005182E-10 -2.76740638484015E-10 4.45242489553556E-10 -1.279473577975248E-11
i -1.522864829845843E-15 6.787779313407959E-15 2.322261727739308E-12 1.411926592618793E-11 -1.279473577975248E-11 4.939518317416064E-11

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 15.62   n/a E2021B25  

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

[ 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
1918-Nov-06 06:09 00:05 Jupiter 1.89504016501417 1.89503385431358 1.89504647612905 3.7526002690362 3.63153859534963 2421903.756036519 4.66272630895532 1463.48981743954 28.8616694170698 -77.7421618590575 1969534.21772693 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 09:26:03 2021-Apr-14 09:26
1929-Mar-13 11:47 00:02 Jupiter 1.19937902882969 1.19937710158749 1.19938095609308 4.06169292103937 3.88393026435606 2425683.990802783 2.15287262428689 298.801462058983 37.9447718763929 74.0331950246538 1658882.25026592 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 09:26:03 2021-Apr-14 09:26
1989-Oct-09 17:56 00:02 Jupiter 1.70852358627443 1.708521062449 1.70852611017174 3.78689456586534 3.65363445984966 2447809.247214553 1.59606945347529 608.980133643361 38.716321950521 -78.6518118201663 1931210.75826883 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 09:26:03 2021-Apr-14 09:26
2000-Mar-18 00:46 < 00:01 Jupiter 1.30665524076662 1.30665411409779 1.30665636743635 4.26733130492838 4.11261985867971 2451621.532059152 0.674157515690277 109.045178974805 42.3935775401492 71.7933198736175 1595275.2167702 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 09:26:03 2021-Apr-14 09:26
2060-Jun-24 18:00 00:01 Jupiter 1.34553472088421 1.34553297430481 1.34553646746813 3.87259338337319 3.70647636182431 2473635.250025208 1.28630770877686 167.48094313793 42.471018458979 -61.9252724527058 2175269.70753274 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 09:26:03 2021-Apr-14 09:26
2070-Dec-29 06:54 00:02 Jupiter 1.66643292538762 1.66642948147768 1.66643636929908 4.51279838785539 4.39872478196918 2477474.787419430 2.24115171779269 190.962101779664 57.9558012474708 26.8388455882459 1334244.01484345 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 09:26:03 2021-Apr-14 09:26
2131-May-25 14:11 00:02 Jupiter 1.17025891361374 1.17025716734504 1.17026065989415 3.92716424788388 3.73832016312844 2499536.090869117 2.23090900859958 210.646879511708 15.6923418714625 -65.7976432501571 2359366.77900397 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 09:26:03 2021-Apr-14 09:26
2141-Sep-23 15:43 00:09 Jupiter 1.95446836896353 1.95446205114485 1.95447468680721 3.76607984419062 3.64919203381961 2503310.154981071 9.17097878171548 496.810420084652 96.4289920422102 -35.4662206349337 1103070.7368323 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 09:26:03 2021-Apr-14 09:26

Alternate Designations
 2008 GK4 = 2005 VH83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-18 01:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin