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 ]  
15881 (1997 CU)
Classification: Main-belt Asteroid          SPK-ID: 2015881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04928205225760015 3.3144e-08  
a 2.384412223872247 8.6527e-09 au
q 2.266903496051714 8.0101e-08 au
i 6.105334009445693 3.7083e-06 deg
node 157.6818162202682 3.2281e-05 deg
peri 12.07845874994984 4.7729e-05 deg
M 149.7317805727216 3.5123e-05 deg
tp 2458641.152212394392
(2019-Jun-06.65221239)
0.00013111 TDB
period 1344.839437344565
3.68
7.3204e-06
2.004e-08
d
yr
n .2676899487055742 1.4571e-09 deg/d
Q 2.50192095169278 9.0792e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1692  
   data-arc span      9094 days (24.90 yr)  
   first obs. used      1995-09-30  
   last obs. used      2020-08-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48489  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:11:57  

Additional Information
 Earth MOID = 1.273 au 
 Jupiter MOID = 2.45984 au 
 T_jup = 3.527 
[ 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 14.75   n/a E2021B10  

15881 (1997 CU)          Discovered 1997-Feb-01 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CU = 1999 TH248 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-16 08:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin