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 ]  
27890 (1996 GG18)
Classification: Main-belt Asteroid          SPK-ID: 2027890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01174511359589579 4.3696e-08  
a 2.763570118624825 1.4995e-08 au
q 2.731111673651353 1.1911e-07 au
i 4.597676241164934 5.4348e-06 deg
node 213.4885598994393 4.8988e-05 deg
peri 306.4484553736324 0.00021926 deg
M 143.2994503859648 0.00021224 deg
tp 2458332.546571930828
(2018-Aug-02.04657193)
0.00099064 TDB
period 1678.047148521746
4.59
1.3657e-05
3.739e-08
d
yr
n .2145350923644412 1.7461e-09 deg/d
Q 2.796028563598296 1.5171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1363  
   data-arc span      8554 days (23.42 yr)  
   first obs. used      1996-03-17  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53598  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:45:13  

Additional Information
 Earth MOID = 1.73671 au 
 Jupiter MOID = 2.17223 au 
 T_jup = 3.336 
[ 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 14.0   n/a MPO302229  
diameter diameter 8.111 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27890 (1996 GG18)          Discovered 1996-Apr-15 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ 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
2044-Dec-09 17:47 < 00:01 Ceres 0.0488225069730743 0.0488156688277094 0.0488293452772491 4.65871558203617 4.65871372463601 2467959.240842029 0.569995694240092 366.335066857866 31.3190927497157 -22.3548525291214 90027.3563858691 T 24 CATAB v2.0f-lin.ifort 2019-Sep-24 01:45:19 2019-Sep-24 01:45
2049-Jul-16 13:42 < 00:01 Ceres 0.0197066192161968 0.0197056221696454 0.0197076184185001 4.57813661823078 4.57813193558815 2469639.071125482 0.601267638241851 412.944171794712 30.4626574259533 84.5762202058983 95722.9613521665 T 24 CATAB v2.0f-lin.ifort 2019-Sep-24 01:45:19 2019-Sep-24 01:45
2111-Jun-19 13:06 00:01 Ceres 0.0465473661652321 0.0465268097369549 0.046567922999203 4.4964787515579 4.4964767330795 2492256.045532502 1.28681943264756 1040.55198767311 30.1192935540703 11.901465067176 47796.5801941325 T 24 CATAB v2.0f-lin.ifort 2019-Sep-24 01:45:19 2019-Sep-24 01:45
2116-Jan-24 02:02 00:01 Ceres 0.00917020696967703 0.00916617852032336 0.00917428481885299 4.56729520548832 4.56728511867635 2493935.584822975 1.31276860246693 1086.00055052435 30.7973458116669 -79.4636211570967 43501.1996677821 T 24 CATAB v2.0f-lin.ifort 2019-Sep-24 01:45:19 2019-Sep-24 01:45

Alternate Designations
 1996 GG18 = 1998 VU39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-17 12:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin