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
JPL Small-Body Database Browser
Search: [ help ]  
129887 (1999 TT17)
Classification: Main-belt Asteroid          SPK-ID: 2129887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08242698931120493 3.8622e-08  
a 2.69869174783647 1.8116e-08 au
q 2.476246711983316 1.049e-07 au
i 2.709901368287036 5.9561e-06 deg
node 25.45778654497511 9.3063e-05 deg
peri 106.9100013163214 0.00010086 deg
M 133.0693926110401 3.8006e-05 deg
tp 2458401.945056181222
(2018-Oct-10.44505618)
0.00016977 TDB
period 1619.303850019098
4.43
1.6306e-05
4.464e-08
d
yr
n .2223177571002219 2.2386e-09 deg/d
Q 2.921136783689624 1.961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      7524 days (20.60 yr)  
   first obs. used      1999-10-15  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:45:34  

Additional Information
 Earth MOID = 1.49223 au 
 Jupiter MOID = 2.0996 au 
 T_jup = 3.362 
[ 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 15.8   n/a MPO287542  
diameter diameter 2.421 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.173   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129887 (1999 TT17)          Discovered 1999-Oct-15 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1999 TT17 = 2001 CK11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-29 02:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin