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 ]  
49681 (1999 TN25)
Classification: Main-belt Asteroid          SPK-ID: 2049681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1106840328487513 3.209e-08  
a 2.757592775518273 1.2719e-08 au
q 2.452371286169329 8.9134e-08 au
i 3.344746076338527 5.0161e-06 deg
node 6.428588870353751 6.4476e-05 deg
peri 84.08030491057313 6.9358e-05 deg
M 42.50805094517015 2.3853e-05 deg
tp 2458403.002174896934
(2018-Oct-11.50217490)
0.00011083 TDB
period 1672.60590538043
4.58
1.1572e-05
3.168e-08
d
yr
n .2152330078722991 1.4891e-09 deg/d
Q 3.062814264867216 1.4126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1643  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      1998-06-26  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5114  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:51:48  

Additional Information
 Earth MOID = 1.47172 au 
 Jupiter MOID = 2.10766 au 
 T_jup = 3.331 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO474377  
diameter diameter 10.744 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49681 (1999 TN25)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TN25 = 2001 BU67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-26 20:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin