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 ]  
173571 (2001 BU29)
Classification: Main-belt Asteroid          SPK-ID: 2173571
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001010938858902 3.2606e-08  
a 2.305542854606575 1.0542e-08 au
q 2.074755492859659 7.56e-08 au
i 5.471344955391256 3.9191e-06 deg
node 126.8464688972182 3.8157e-05 deg
peri 344.9542422768915 4.4126e-05 deg
M 253.4635414383021 2.3193e-05 deg
tp 2459578.902485949331
(2021-Dec-30.40248595)
8.3819e-05 TDB
period 1278.669262906539
3.50
8.7701e-06
2.401e-08
d
yr
n .2815427025919784 1.931e-09 deg/d
Q 2.536330216353491 1.1597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      7221 days (19.77 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:57:36  

Additional Information
 Earth MOID = 1.0917 au 
 Jupiter MOID = 2.53715 au 
 T_jup = 3.575 
[ 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 16.78   n/a E2021B55  
rotation period rot_per 2.39 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

173571 (2001 BU29)          Discovered 2001-Jan-20 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-19 20:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin