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 ]  
173794 (2001 SB138)
Classification: Main-belt Asteroid          SPK-ID: 2173794
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2201428421321117 6.6473e-08  
a 3.017430494932474 1.9677e-08 au
q 2.353164769841935 1.9613e-07 au
i .9502944908800066 6.1299e-06 deg
node 351.4488332816874 0.00035593 deg
peri 33.04716054202647 0.00035607 deg
M 189.684696958192 1.1544e-05 deg
tp 2459906.244093047992
(2022-Nov-22.74409305)
6.6717e-05 TDB
period 1914.49545445271
5.24
1.8727e-05
5.127e-08
d
yr
n .1880390988459734 1.8393e-09 deg/d
Q 3.681696220023013 2.4009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      8572 days (23.47 yr)  
   first obs. used      1996-11-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:29:54  

Additional Information
 Earth MOID = 1.35708 au 
 Jupiter MOID = 1.77883 au 
 T_jup = 3.210 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO287733  

173794 (2001 SB138)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 SB138 = 1996 VF20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-19 00:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin