Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
15280 (1991 PW11)
Classification: Main-belt Asteroid          SPK-ID: 2015280
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888045929303491 5.6462e-08  
a 2.436148155311179 1.5158e-08 au
q 1.976192194529631 1.3302e-07 au
i 7.267464885473378 7.3537e-06 deg
node 187.5999092019432 3.9411e-05 deg
peri 100.6702646955468 4.4917e-05 deg
M 232.6968342893504 2.2673e-05 deg
tp 2458091.623453801059
(2017-Dec-04.12345380)
8.9811e-05 JED
period 1388.845614179337
3.80
1.2962e-05
3.549e-08
d
yr
n .2592080763510366 2.4192e-09 deg/d
Q 2.896104116092727 1.8019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      996  
   data-arc span      23374 days (63.99 yr)  
   first obs. used      1952-02-01  
   last obs. used      2016-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5264  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 19:04:26  

Additional Information
 Earth MOID = .975632 au 
 Jupiter MOID = 2.30881 au 
 T_jup = 3.469 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO365435  

15280 (1991 PW11)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PW11 = 1998 HJ71 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-05 04:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin