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 ]  
324757 (2007 GB4)
Classification: Main-belt Asteroid          SPK-ID: 2324757
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05791519938899255 9.3832e-08  
a 2.984388160523181 4.1947e-08 au
q 2.811546725152333 2.8435e-07 au
i 9.513996458338028 1.2508e-05 deg
node 55.75583438034707 8.0567e-05 deg
peri 243.1696349438459 0.00019139 deg
M 140.2158498425295 0.00017121 deg
tp 2458467.040737747915
(2018-Dec-14.54073775)
0.00090119 TDB
period 1883.13471485063
5.16
3.9703e-05
1.087e-07
d
yr
n .1911706035479013 4.0305e-09 deg/d
Q 3.15722959589403 4.4377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      7756 days (21.23 yr)  
   first obs. used      1999-10-14  
   last obs. used      2021-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55283  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 20:20:44  

Additional Information
 Earth MOID = 1.80953 au 
 Jupiter MOID = 1.96122 au 
 T_jup = 3.235 
[ 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 16.0   n/a MPO494718  

324757 (2007 GB4)          Discovered 2007-Apr-06 by Charleston at Charleston
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2007 GB4 = 1999 TW85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-09 05:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin