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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
56257 (1999 JZ82)
Classification: Main-belt Asteroid          SPK-ID: 2056257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2084538311271847 3.9056e-08  
a 2.693684392235093 1.3746e-08 au
q 2.132175560826186 1.0735e-07 au
i 14.50985586724083 4.4025e-06 deg
node 159.3385351320869 1.7057e-05 deg
peri 59.55468616290469 2.0513e-05 deg
M 188.5434212871455 1.419e-05 deg
tp 2459369.577568189447
(2021-Jun-04.07756819)
6.7726e-05 TDB
period 1614.799074066928
4.42
1.2361e-05
3.384e-08
d
yr
n .222937952951216 1.7065e-09 deg/d
Q 3.255193223644 1.6611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      7565 days (20.71 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51948  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:42:26  

Additional Information
 Earth MOID = 1.16728 au 
 Jupiter MOID = 1.83615 au 
 T_jup = 3.294 
[ 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 14.5   n/a MPO309577  
diameter diameter 7.245 km 1.929 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.057   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

56257 (1999 JZ82)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JZ82 = 2000 QQ213 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 05:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin