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 ]  
100636 (1997 UY26)
Classification: Main-belt Asteroid          SPK-ID: 2100636
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2477353353872852 5.872e-08  
a 2.439468089291566 1.7408e-08 au
q 1.83512564402434 1.486e-07 au
i 14.27692721142136 1.1438e-05 deg
node 38.61303826557833 2.6744e-05 deg
peri 42.27344286769393 4.0476e-05 deg
M 297.197759067409 3.3255e-05 deg
tp 2459243.280487410731
(2021-Jan-28.78048741)
0.00013053 TDB
period 1391.685617742133
3.81
1.4896e-05
4.078e-08
d
yr
n .2586791121575741 2.7689e-09 deg/d
Q 3.043810534558792 2.172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      8315 days (22.77 yr)  
   first obs. used      1997-10-26  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55257  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:03:37  

Additional Information
 Earth MOID = .873463 au 
 Jupiter MOID = 2.35277 au 
 T_jup = 3.419 
[ 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 15.3   n/a MPO449611  
diameter diameter 2.323 km 0.397 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.437 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.327   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100636 (1997 UY26)          Discovered 1997-Oct-26 by Uppsala-DLR Trojan Survey at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 UY26 = 2001 TE116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-22 13:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin