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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
85645 (1998 OS11)
Classification: Main-belt Asteroid          SPK-ID: 2085645
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2143564360989085 4.2454e-08  
a 2.779743889790324 1.4841e-08 au
q 2.183887896307153 1.2241e-07 au
i 9.515013365003446 4.417e-06 deg
node 308.6437904887449 2.6042e-05 deg
peri 26.77050285087058 2.7532e-05 deg
M 328.8541916317615 1.0544e-05 deg
tp 2459542.954496362922
(2021-Nov-24.45449636)
5.0113e-05 TDB
period 1692.799816504929
4.63
1.3556e-05
3.711e-08
d
yr
n .2126654294795947 1.7031e-09 deg/d
Q 3.375599883273495 1.8022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      8409 days (23.02 yr)  
   first obs. used      1998-07-26  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48937  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:10:16  

Additional Information
 Earth MOID = 1.17743 au 
 Jupiter MOID = 2.01665 au 
 T_jup = 3.280 
[ 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 14.73   n/a MPO637175  

85645 (1998 OS11)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-23 14:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin