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 ]  
46949 (1998 SL117)
Classification: Main-belt Asteroid          SPK-ID: 2046949
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040301439216313 3.8053e-08  
a 2.59242583340104 1.1604e-08 au
q 2.322735400846175 1.0477e-07 au
i 10.09594978016482 3.2573e-06 deg
node 214.5820723006119 2.0432e-05 deg
peri 355.4888479536124 2.7549e-05 deg
M 281.1355654766525 2.0726e-05 deg
tp 2459534.492435387514
(2021-Nov-15.99243539)
8.8782e-05 TDB
period 1524.607099083544
4.17
1.0236e-05
2.802e-08
d
yr
n .2361264093656651 1.5853e-09 deg/d
Q 2.862116265955905 1.2811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2063  
   data-arc span      9642 days (26.40 yr)  
   first obs. used      1994-10-26  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:41:01  

Additional Information
 Earth MOID = 1.31627 au 
 Jupiter MOID = 2.10549 au 
 T_jup = 3.389 
[ 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 14.11   n/a MPCxxxxx  
diameter diameter 4.182 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46949 (1998 SL117)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SL117 = 2000 AE166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-16 02:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin