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 ]  
15895 (1997 JJ15)
Classification: Main-belt Asteroid          SPK-ID: 2015895
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363647715512122 3.447e-08  
a 2.278827595861959 7.1447e-09 au
q 1.968075791347645 7.9296e-08 au
i 5.485597571848669 3.9215e-06 deg
node 211.4063786978786 4.0775e-05 deg
peri 84.86028818086113 4.3306e-05 deg
M 201.2438111685994 1.4443e-05 deg
tp 2459554.607202822474
(2021-Dec-06.10720282)
5.0562e-05 TDB
period 1256.509081532169
3.44
5.9092e-06
1.618e-08
d
yr
n .2865080764565753 1.3474e-09 deg/d
Q 2.589579400376274 8.119e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1811  
   data-arc span      10316 days (28.24 yr)  
   first obs. used      1991-11-05  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51709  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:30:08  

Additional Information
 Earth MOID = .961579 au 
 Jupiter MOID = 2.59105 au 
 T_jup = 3.589 
[ 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 14.5   n/a MPO449066  
diameter diameter 2.762 km 0.638 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.441   0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15895 (1997 JJ15)          Discovered 1997-May-03 by Elst, E. W. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 JJ15 = 1998 WG15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-24 04:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin