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 ]  
20280 (1998 FQ49)
Classification: Main-belt Asteroid          SPK-ID: 2020280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2103781693133237 3.478e-08  
a 2.438829539216031 6.5022e-09 au
q 1.925753045488505 8.4891e-08 au
i 1.656497316742013 3.9372e-06 deg
node 332.3592533804705 0.00010807 deg
peri 355.8337117060143 0.0001083 deg
M 221.0382013606794 7.4438e-06 deg
tp 2459737.486691835291
(2022-Jun-06.98669184)
2.9452e-05 TDB
period 1391.139226417615
3.81
5.5634e-06
1.523e-08
d
yr
n .2587807123569164 1.0349e-09 deg/d
Q 2.951906032943556 7.8701e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2244  
   data-arc span      16302 days (44.63 yr)  
   first obs. used      1976-07-27  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46647  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:16:28  

Additional Information
 Earth MOID = .912497 au 
 Jupiter MOID = 2.39765 au 
 T_jup = 3.472 
[ 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 14.09   n/a E2021B10  

20280 (1998 FQ49)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FQ49 = 1976 OS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 15:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin