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 ]  
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05990671776826921 3.9789e-08  
a 2.238166645202853 9.675e-09 au
q 2.104085427670332 9.0027e-08 au
i 3.165416523747873 4.5085e-06 deg
node 340.230050374779 7.2827e-05 deg
peri 74.07849708717961 8.2964e-05 deg
M 283.7461282528409 4.0214e-05 deg
tp 2459459.557669732182
(2021-Sep-02.05766973)
0.00013726 TDB
period 1223.029847098357
3.35
7.9302e-06
2.171e-08
d
yr
n .2943509521489614 1.9086e-09 deg/d
Q 2.372247862735374 1.0255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      8328 days (22.80 yr)  
   first obs. used      1997-09-20  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:26:44  

Additional Information
 Earth MOID = 1.11663 au 
 Jupiter MOID = 2.79496 au 
 T_jup = 3.632 
[ 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 16.02   n/a E2021B55  

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 2021-Apr-12 05:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin