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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
(2018 GU1)
Classification: Apollo [NEO]          SPK-ID: 3802429
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4163525565469869 0.00050469  
a 1.548487344452794 0.0012921 au
q .9037706798092184 2.7385e-05 au
i 23.09878656581025 0.017515 deg
node 198.5529850208493 0.00018149 deg
peri 311.3302855798971 0.014664 deg
M 215.7798466067048 0.27995 deg
tp 2458882.457317222077
(2020-Feb-02.95731722)
0.90022 TDB
period 703.8172669470096
1.93
0.88092
0.002412
d
yr
n .5114964024136458 0.00064021 deg/d
Q 2.193204009096369 0.0018301 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      7 days  
   first obs. used      2018-04-10  
   last obs. used      2018-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .33384  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-18 06:25:05  

Additional Information
 Earth MOID = .00239285 au 
 Jupiter MOID = 2.94264 au 
 T_jup = 4.273 
[ show covariance matrix ]

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 24.3   n/a MPO445229  

[ 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
2016-Apr-27 11:14 2_10:28 Earth 0.32688398227393 0.282161065712931 0.371690894707005 21.9184232415959 21.9180513528019 2457505.968121524 3508.19730090109 2247487.32901437 27.9260245760888 -6.61912046698179 208684.195032153 T 6 CATAB v2.0e-lin.ifort 2018-Apr-18 06:25:10 2018-Dec-11 17:20
2018-Apr-08 07:20 < 00:01 Earth 0.00436872897510513 0.00435682202407654 0.00438063560465633 15.2889530371297 15.2490094382059 2458216.805898352 0.471753049233986 590.78723870318 7.24826059902056 -0.612601357218295 821.300527781175 T 6 CATAB v2.0e-lin.ifort 2018-Apr-18 06:25:10 2018-Dec-11 17:20
2018-Apr-08 07:49 < 00:01 Moon 0.00265221948230941 0.00264262909779042 0.00266182729429978 15.8582058428244 15.8574266123482 2458216.825503386 0.490603354972598 586.607448309805 9.38480604303047 -35.324665428293 23539.6175619858 T 6 CATAB v2.0e-lin.ifort 2018-Apr-18 06:25:10 2018-Dec-11 17:20
2019-Dec-09 07:16 1_00:56 Earth 0.402050996325824 0.395299995954198 0.414040817132133 13.8543645732946 13.8538862163317 2458826.802478695 1495.701055364 2339458.74205153 290.941534799374 78.4054227415725 150236.542232915 T 6 CATAB v2.0e-lin.ifort 2018-Apr-18 06:25:10 2018-Dec-11 17:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-07 02:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin