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 ]  
160539 (1997 SG)
Classification: Main-belt Asteroid          SPK-ID: 2160539
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06083377911678758 4.1635e-08  
a 2.237461869344127 9.7223e-09 au
q 2.101348608202212 9.4054e-08 au
i 3.164373644507767 4.6447e-06 deg
node 340.2743794864468 7.4694e-05 deg
peri 73.81368307496223 8.478e-05 deg
M 107.3839401455044 3.9846e-05 deg
tp 2458235.856290873104
(2018-Apr-27.35629087)
0.00013456 TDB
period 1222.45221313178
3.35
7.9678e-06
2.181e-08
d
yr
n .2944900390647763 1.9194e-09 deg/d
Q 2.373575130486043 1.0314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      7862 days (21.52 yr)  
   first obs. used      1997-09-20  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54095  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:27:35  

Additional Information
 Earth MOID = 1.11423 au 
 Jupiter MOID = 2.79911 au 
 T_jup = 3.633 
[ 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 16.0   n/a MPO366951  

160539 (1997 SG)          Discovered 1997-Sep-20 by Klet at Klet
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 1997 SG = 2001 XL100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin