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 ]  
97294 (1999 XW177)
Classification: Main-belt Asteroid          SPK-ID: 2097294
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08811022096770589 4.994e-08  
a 3.095349025027195 3.1067e-08 au
q 2.822617138459876 1.6019e-07 au
i 9.094925496583391 4.9853e-06 deg
node 84.09042383759116 3.5233e-05 deg
peri 96.73476296292155 4.5706e-05 deg
M 132.3287185198866 2.8846e-05 deg
tp 2457869.336551925519
(2017-Apr-25.83655193)
0.00015703 TDB
period 1989.128620385272
5.45
2.9947e-05
8.199e-08
d
yr
n .1809837716428172 2.7247e-09 deg/d
Q 3.368080911594514 3.3805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      6791 days (18.59 yr)  
   first obs. used      1999-12-10  
   last obs. used      2018-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63633  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:53:49  

Additional Information
 Earth MOID = 1.84434 au 
 Jupiter MOID = 1.67761 au 
 T_jup = 3.198 
[ 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 14.4   n/a MPO449594  

97294 (1999 XW177)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 XW177 = 2001 FJ21 
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-14 16:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin