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 ]  
7929 (1987 SK12)
Classification: Main-belt Asteroid          SPK-ID: 2007929
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09693196303577575 5.2089e-08  
a 2.229990380307711 1.2728e-08 au
q 2.013833035193589 1.1842e-07 au
i 1.5357397336668 5.5528e-06 deg
node 79.6575019087731 0.00018463 deg
peri 95.21009551461194 0.00018724 deg
M 352.080700363165 3.5079e-05 deg
tp 2457427.256985658546
(2016-Feb-08.75698566)
0.00011864 JED
period 1216.334180900647
3.33
1.0413e-05
2.851e-08
d
yr
n .2959712928016495 2.5339e-09 deg/d
Q 2.446147725421834 1.3962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1369  
   data-arc span      13477 days (36.90 yr)  
   first obs. used      1979-01-24  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49474  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:05:34  

Additional Information
 Earth MOID = 1.01895 au 
 Jupiter MOID = 2.51738 au 
 T_jup = 3.636 
[ 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 13.9 mag n/a MPO270229  

7929 (1987 SK12)          Discovered 1987-Sep-16 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 SK12 = 1979 BP1 = 1996 FK5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-11 13:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin