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 ]  
109878 (2001 SG)
Classification: Main-belt Asteroid          SPK-ID: 2109878
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2556413748330487 4.4736e-08  
a 2.586074164989975 1.1315e-08 au
q 1.92496661003171 1.1241e-07 au
i 5.609941016798159 5.3459e-06 deg
node 66.07259710023905 4.6233e-05 deg
peri 284.1669241767202 4.7673e-05 deg
M 180.6472283080085 1.4521e-05 deg
tp 2459757.272744225538
(2022-Jun-26.77274423)
6.4667e-05 TDB
period 1519.007402846613
4.16
9.9694e-06
2.729e-08
d
yr
n .2369968700121945 1.5554e-09 deg/d
Q 3.247181719948241 1.4208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      8694 days (23.80 yr)  
   first obs. used      1996-04-13  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5716  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:34:45  

Additional Information
 Earth MOID = .928625 au 
 Jupiter MOID = 2.21052 au 
 T_jup = 3.369 
[ 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 15.4   n/a MPO453560  

109878 (2001 SG)          Discovered 2001-Sep-16 by Juels, C. W., Holvorcem, P. R. at Fountain Hills
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-15 04:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin