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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04885601641263612 3.3707e-08  
a 2.384448214277627 8.5617e-09 au
q 2.267953573185798 8.1058e-08 au
i 6.10180242764877 3.7612e-06 deg
node 157.7098468541707 3.3157e-05 deg
peri 11.72860374683101 4.9108e-05 deg
M 96.57484773657599 3.6345e-05 deg
tp 2458639.720543138586
(2019-Jun-05.22054314)
0.00013564 TDB
period 1344.869886042998
3.68
7.2434e-06
1.983e-08
d
yr
n .267683888037099 1.4417e-09 deg/d
Q 2.500942855369456 8.98e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1650  
   data-arc span      9069 days (24.83 yr)  
   first obs. used      1995-09-30  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4893  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:02:30  

Additional Information
 Earth MOID = 1.27447 au 
 Jupiter MOID = 2.46195 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 14.7   n/a MPO431681  

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 2020-Oct-28 00:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin