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 ]  
428694 Saule (2008 OS9)
Classification: Apollo [NEO]          SPK-ID: 2428694
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 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6478961669489691 8.3035e-08  
a 1.601719102004248 1.7632e-08 au
q .5639714352867509 1.3079e-07 au
i 19.13798943102402 1.3404e-05 deg
node 133.4200589073934 9.0111e-06 deg
peri 288.32118279 1.4991e-05 deg
M 268.3767050125828 2.8134e-05 deg
tp 2459188.943587931733
(2020-Dec-05.44358793)
6.0873e-05 TDB
period 740.4196898260474
2.03
1.2226e-05
3.347e-08
d
yr
n .4862107328406916 8.0287e-09 deg/d
Q 2.639466768721745 2.9056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      3902 days (10.68 yr)  
   first obs. used      2008-07-25  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35031  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-02 07:06:30  

Additional Information
 Earth MOID = .0585964 au 
 Jupiter MOID = 2.93216 au 
 T_jup = 4.047 
[ 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 19.4   n/a MPO241936  
rotation period rot_per 8.430 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Cernis, K.; Eglitis, I.; Wlodarczyk, I.; Zdanavicius, J.; Zdanavicius, K. (2010) Baltic Astronomy 19, 235-263.]

428694 Saule (2008 OS9)          Discovered 2008-Jul-29 by Cernis, K., Eglitis, I. at Baldone
Reference: Last Updated: 2015-03-09

[ 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 2020-Nov-25 11:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin