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 ]  
21116 (1992 SO)
Classification: Main-belt Asteroid          SPK-ID: 2021116
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641834496927871 3.4224e-08  
a 2.319495917854132 5.5096e-09 au
q 1.938673076512503 8.0167e-08 au
i 5.758773673906325 2.4231e-06 deg
node 244.1780667156204 3.5529e-05 deg
peri 79.41532864665102 3.6601e-05 deg
M 89.58171627865515 7.6662e-06 deg
tp 2459075.425567472573
(2020-Aug-13.92556747)
2.7575e-05 TDB
period 1290.29449882749
3.53
4.5973e-06
1.259e-08
d
yr
n .279006072123176 9.941e-10 deg/d
Q 2.700318759195761 6.4142e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2383  
   data-arc span      10366 days (28.38 yr)  
   first obs. used      1992-09-26  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45249  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:57:50  

Additional Information
 Earth MOID = .93576 au 
 Jupiter MOID = 2.61982 au 
 T_jup = 3.554 
[ 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 14.44   n/a E2021B10  
rotation period rot_per 69.3549 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

21116 (1992 SO)          Discovered 1992-Sep-26 by Sugie, A. at Dynic
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 SO = 1998 FZ105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-20 13:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin