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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06023224131151153 4.1326e-08  
a 2.238585438551687 9.6328e-09 au
q 2.103750420220406 9.3281e-08 au
i 3.164301762538988 4.6417e-06 deg
node 340.2484331574173 7.3928e-05 deg
peri 73.7814717713548 8.429e-05 deg
M 225.2091820186117 4.0509e-05 deg
tp 2459458.554070265128
(2021-Sep-01.05407027)
0.00013872 TDB
period 1223.373133014263
3.35
7.8964e-06
2.162e-08
d
yr
n .294268355487747 1.8994e-09 deg/d
Q 2.373420456882969 1.0213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      7943 days (21.75 yr)  
   first obs. used      1997-09-20  
   last obs. used      2019-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:21:42  

Additional Information
 Earth MOID = 1.11709 au 
 Jupiter MOID = 2.79615 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 16.0   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 2020-Oct-21 05:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin