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 ]  
35387 (1997 WY44)
Classification: Main-belt Asteroid          SPK-ID: 2035387
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020748325449994 3.8609e-08  
a 2.346058894013975 9.2592e-09 au
q 1.871979435865395 9.0878e-08 au
i 2.963797086417117 4.3308e-06 deg
node 135.1505911137474 8.8219e-05 deg
peri 262.0963102155084 8.9001e-05 deg
M 7.17301120675151 1.1261e-05 deg
tp 2458574.347946216862
(2019-Mar-31.84794622)
4.1e-05 TDB
period 1312.522605996805
3.59
7.7702e-06
2.127e-08
d
yr
n .2742809901750952 1.6238e-09 deg/d
Q 2.820138352162556 1.113e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      8677 days (23.76 yr)  
   first obs. used      1995-02-06  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55935  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:46:49  

Additional Information
 Earth MOID = .881367 au 
 Jupiter MOID = 2.60297 au 
 T_jup = 3.531 
[ 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 15.6   n/a MPO412437  

35387 (1997 WY44)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WY44 = 1997 YZ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-15 00:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin