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 ]  
80375 (1999 XN157)
Classification: Main-belt Asteroid          SPK-ID: 2080375
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148768942598771 3.413e-08  
a 2.237159130086628 8.433e-09 au
q 1.980161237257148 7.6667e-08 au
i 3.064201468482018 5.0689e-06 deg
node 167.1159287520683 7.2349e-05 deg
peri 269.9652106929578 7.696e-05 deg
M 47.80995674603956 2.3325e-05 deg
tp 2458838.184650205927
(2019-Dec-20.68465021)
7.932e-05 TDB
period 1222.204116106142
3.35
6.9107e-06
1.892e-08
d
yr
n .2945498180344338 1.6655e-09 deg/d
Q 2.494157022916108 9.4018e-09 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      7304 days (20.00 yr)  
   first obs. used      1999-12-08  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58154  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:46:35  

Additional Information
 Earth MOID = .998267 au 
 Jupiter MOID = 2.70968 au 
 T_jup = 3.627 
[ 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 16.6   n/a MPO348017  
diameter diameter 2.714 km 0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80375 (1999 XN157)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ 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 2020-Feb-19 07:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin