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 ]  
27328 Pohlonski (2000 CW45)
Classification: Main-belt Asteroid          SPK-ID: 2027328
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06348075233638573 3.5502e-08  
a 2.339540380117289 8.8314e-09 au
q 2.19102459666609 8.1946e-08 au
i 5.468530211915836 4.0812e-06 deg
node 191.9498258242523 4.1686e-05 deg
peri 10.98631865510009 5.3029e-05 deg
M 191.5161038043892 3.3e-05 deg
tp 2459612.216424373543
(2022-Feb-01.71642437)
0.00012033 TDB
period 1307.056150451323
3.58
7.4009e-06
2.026e-08
d
yr
n .2754281060348425 1.5595e-09 deg/d
Q 2.488056163568489 9.392e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1024  
   data-arc span      10261 days (28.09 yr)  
   first obs. used      1991-11-02  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:36:55  

Additional Information
 Earth MOID = 1.18784 au 
 Jupiter MOID = 2.46857 au 
 T_jup = 3.556 
[ 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 15.3   n/a MPO344516  
rotation period rot_per 1.35 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

27328 Pohlonski           Discovered 2000 Feb. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Emily Parker Pohlonski mentored a finalist in the 2011 Intel Science Talent Search, a science competition for high-school seniors. She teaches at the Novi High School, Novi, Michigan, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2000 CW45 = 1998 SZ156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-04 22:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin