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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
17727 (1997 YU11)
Classification: Main-belt Asteroid          SPK-ID: 2017727
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138226740892155 4.3386e-08  
a 2.352329100339366 9.4785e-09 au
q 2.084580711800861 1.0018e-07 au
i 7.038594326193967 4.3782e-06 deg
node 20.29399659739829 2.7455e-05 deg
peri 353.3578659459446 3.1625e-05 deg
M 193.3015422486716 1.4719e-05 deg
tp 2459610.703409302271
(2022-Jan-31.20340930)
5.4335e-05 TDB
period 1317.788000633539
3.61
7.9649e-06
2.181e-08
d
yr
n .2731850645376392 1.6512e-09 deg/d
Q 2.620077488877871 1.0557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1645  
   data-arc span      16667 days (45.63 yr)  
   first obs. used      1974-06-17  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:10:54  

Additional Information
 Earth MOID = 1.08548 au 
 Jupiter MOID = 2.84311 au 
 T_jup = 3.538 
[ 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 14.0   n/a MPO452422  
diameter diameter 3.835 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.523620 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.363   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17727 (1997 YU11)          Discovered 1997-Dec-30 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 YU11 = 1989 RT3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-07 18:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin