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 ]  
74426 (1999 BK2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2074426
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052098681030478 6.1466e-08  
a 1.930741786962537 6.4775e-09 au
q 1.727608698215165 1.1898e-07 au
i 23.12538375833432 5.255e-06 deg
node 81.31587690451526 1.2375e-05 deg
peri 278.375464198494 2.6402e-05 deg
M 98.73105763000211 2.2341e-05 deg
tp 2458731.757712466486
(2019-Sep-05.25771247)
6.0996e-05 TDB
period 979.9066862489041
2.68
4.9313e-06
1.35e-08
d
yr
n .3673819201888343 1.8488e-09 deg/d
Q 2.133874875709908 7.159e-09 au
  Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      8781 days (24.04 yr)  
   first obs. used      1996-01-13  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:15:54  

Additional Information
 Earth MOID = .845573 au 
 Jupiter MOID = 3.21597 au 
 T_jup = 3.809 
[ 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 15.8   n/a MPO436303  

74426 (1999 BK2)          Discovered 1999-Jan-19 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-10 18:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin