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 ]  
173783 (2001 SL77)
Classification: Main-belt Asteroid          SPK-ID: 2173783
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538996249945494 5.1286e-08  
a 3.090661154879295 3.2115e-08 au
q 2.615009562158151 1.6621e-07 au
i 4.025160654048054 5.2097e-06 deg
node 251.7902702029926 8.7451e-05 deg
peri 157.8001631631523 9.0225e-05 deg
M 202.2652648419375 2.6476e-05 deg
tp 2460266.061609304912
(2023-Nov-17.56160930)
0.00015619 TDB
period 1984.611563433227
5.43
3.0933e-05
8.469e-08
d
yr
n .1813956980968242 2.8273e-09 deg/d
Q 3.56631274760044 3.7057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      7226 days (19.78 yr)  
   first obs. used      2001-09-17  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:26:25  

Additional Information
 Earth MOID = 1.62557 au 
 Jupiter MOID = 1.81139 au 
 T_jup = 3.203 
[ 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 15.65   n/a E2021B55  

173783 (2001 SL77)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-02 13:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin