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 ]  
66249 (1999 FG48)
Classification: Main-belt Asteroid          SPK-ID: 2066249
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423165302071069 3.488e-08  
a 2.279742095481654 7.0219e-09 au
q 1.955297110685626 7.9863e-08 au
i 5.512681677276424 3.9873e-06 deg
node 358.4049822131871 3.4536e-05 deg
peri 64.49636165401196 3.7438e-05 deg
M 148.9991810762155 1.321e-05 deg
tp 2458480.134631687822
(2018-Dec-27.63463169)
4.5785e-05 TDB
period 1257.265518100808
3.44
5.8088e-06
1.59e-08
d
yr
n .2863356982412168 1.3229e-09 deg/d
Q 2.604187080277682 8.0213e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1529  
   data-arc span      11392 days (31.19 yr)  
   first obs. used      1989-04-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:12:28  

Additional Information
 Earth MOID = .975416 au 
 Jupiter MOID = 2.70144 au 
 T_jup = 3.587 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457288.5 (2015-Sep-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1412794116056255 3.4753e-08  
q 1.958017344115552 7.9474e-08 au
tp 2457222.596259907428
(2015-Jul-19.09625991)
4.61e-05 TDB
node 358.4293762800575 3.4515e-05 deg
peri 64.57650788784201 3.7476e-05 deg
i 5.514481921450781 3.9869e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1529  
   data-arc span      11392 days (31.19 yr)  
   first obs. used      1989-04-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:12:28  

Additional Information
 Jupiter MOID = 2.70144 au 
 T_jup = 3.587 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.207781886550513E-15 -2.753979004998681E-15 -5.567251644278172E-13 5.151563869202408E-15 -2.049635744081391E-13 -1.229268376128009E-15
q -2.753979004998681E-15 6.316133982889309E-15 1.262765987714478E-12 -1.138836551776632E-14 4.656406829040229E-13 3.009740495425524E-15
tp -5.567251644278172E-13 1.262765987714478E-12 2.125167430098982E-9 -1.291086245374462E-11 6.802409473158638E-10 -8.138971324774572E-13
node 5.151563869202408E-15 -1.138836551776632E-14 -1.291086245374462E-11 1.191260806571407E-9 -1.189469617784678E-9 2.679639621878655E-11
peri -2.049635744081391E-13 4.656406829040229E-13 6.802409473158638E-10 -1.189469617784678E-9 1.40446363093574E-9 -2.68787500313595E-11
i -1.229268376128009E-15 3.009740495425524E-15 -8.138971324774572E-13 2.679639621878655E-11 -2.68787500313595E-11 1.589530878326091E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO453058  

66249 (1999 FG48)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 FG48 = 1989 GH6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 03:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin