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 ]  
136308 (2004 BK44)
Classification: Main-belt Asteroid          SPK-ID: 2136308
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052928040428308 4.9375e-08  
a 3.135818466558464 2.9332e-08 au
q 2.805639347245234 1.5761e-07 au
i 16.49152101150182 6.9679e-06 deg
node 337.8373560782987 1.7099e-05 deg
peri 314.1181948985094 3.4656e-05 deg
M 139.1942236317147 3.0235e-05 deg
tp 2457816.269896585401
(2017-Mar-03.76989659)
0.00017015 TDB
period 2028.265468660798
5.55
2.8458e-05
7.791e-08
d
yr
n .1774915589514508 2.4903e-09 deg/d
Q 3.465997585871694 3.242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      7593 days (20.79 yr)  
   first obs. used      1998-02-24  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53858  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:56:52  

Additional Information
 Earth MOID = 1.8156 au 
 Jupiter MOID = 1.93799 au 
 T_jup = 3.140 
[ 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 14.2   n/a MPO382026  
diameter diameter 7.178 km 0.416 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136308 (2004 BK44)          Discovered 2004-Jan-22 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2004 BK44 = 2001 US192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin