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 ]  
85448 (1997 GR11)
Classification: Main-belt Asteroid          SPK-ID: 2085448
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742248585422099 2.9588e-08  
a 2.243930153919952 7.5234e-09 au
q 1.852981740274649 6.523e-08 au
i 3.869651698442469 4.3347e-06 deg
node 229.3373574326181 4.9851e-05 deg
peri 84.86065194307969 5.15e-05 deg
M 103.355730679392 1.3574e-05 deg
tp 2458248.011875743223
(2018-May-09.51187574)
4.5605e-05 TDB
period 1227.757028065222
3.36
6.1746e-06
1.691e-08
d
yr
n .2932176251251529 1.4746e-09 deg/d
Q 2.634878567565254 8.8341e-09 au
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      7967 days (21.81 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5582  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:23:53  

Additional Information
 Earth MOID = .843251 au 
 Jupiter MOID = 2.63928 au 
 T_jup = 3.609 
[ 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 16.2   n/a MPO449530  
diameter diameter 2.274 km 0.655 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85448 (1997 GR11)          Discovered 1997-Apr-03 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 GR11 = 1998 VH23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin