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 ]  
186291 (2002 BT28)
Classification: Main-belt Asteroid          SPK-ID: 2186291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1230485438303059 5.2983e-08  
a 2.864765920079519 1.7528e-08 au
q 2.512260645199048 1.4995e-07 au
i 10.64940095893859 6.5077e-06 deg
node 53.81732239765187 2.5702e-05 deg
peri 331.5539353658478 3.7242e-05 deg
M 44.8311278218947 2.6292e-05 deg
tp 2458979.948861969959
(2020-May-10.44886197)
0.00012847 TDB
period 1771.055370416934
4.85
1.6254e-05
4.45e-08
d
yr
n .2032686306782437 1.8655e-09 deg/d
Q 3.217271194959991 1.9684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      7428 days (20.34 yr)  
   first obs. used      2000-09-05  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:42  

Additional Information
 Earth MOID = 1.52188 au 
 Jupiter MOID = 2.22847 au 
 T_jup = 3.264 
[ 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 15.89   n/a MPCxxxxx  
diameter diameter 2.597 km 0.458 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.095   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

186291 (2002 BT28)          Discovered 2002-Jan-19 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2002 BT28 = 2005 UW496 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-21 20:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin