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 ]  
27061 (1998 SW53)
Classification: Main-belt Asteroid          SPK-ID: 2027061
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .068842371188734 3.141e-08  
a 2.140711895681896 7.323e-09 au
q 1.993340212751225 6.9398e-08 au
i 2.604489216597743 3.6578e-06 deg
node 270.6302801840054 0.00010187 deg
peri 14.64041419217954 0.00011073 deg
M 269.7666186815276 4.5235e-05 deg
tp 2458887.248062205723
(2020-Feb-07.74806221)
0.00014431 TDB
period 1144.025646448065
3.13
5.8703e-06
1.607e-08
d
yr
n .314678260157643 1.6147e-09 deg/d
Q 2.288083578612568 7.8272e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1309  
   data-arc span      10246 days (28.05 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53518  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:01:25  

Additional Information
 Earth MOID = .976416 au 
 Jupiter MOID = 2.78681 au 
 T_jup = 3.709 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO381475  

27061 (1998 SW53)          Discovered 1998-Sep-16 by LONEOS at Anderson Mesa
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SW53 = 1991 GV7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 17:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin