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 ]  
97285 (1999 XE161)
Classification: Main-belt Asteroid          SPK-ID: 2097285
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 .09268119741021733 6.3687e-08  
a 2.968706801410241 2.9729e-08 au
q 2.693563500295684 1.8486e-07 au
i 11.3834048351966 8.1925e-06 deg
node 322.5722607841677 2.8609e-05 deg
peri 164.9350217160284 4.9248e-05 deg
M 259.7609380992312 4.061e-05 deg
tp 2459120.716210191573
(2020-Sep-28.21621019)
0.00021358 TDB
period 1868.311934666358
5.12
2.8064e-05
7.684e-08
d
yr
n .1926873095012845 2.8944e-09 deg/d
Q 3.243850102524798 3.2484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      6904 days (18.90 yr)  
   first obs. used      1999-12-12  
   last obs. used      2018-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55687  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:42:16  

Additional Information
 Earth MOID = 1.71027 au 
 Jupiter MOID = 1.80528 au 
 T_jup = 3.227 
[ 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 14.5   n/a MPO359432  
diameter diameter 3.773 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.216   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97285 (1999 XE161)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
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-21 01:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin