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129887 (1999 TT17)
Classification: Main-belt Asteroid          SPK-ID: 2129887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08242698205911587 3.9032e-08  
a 2.698691744505278 1.8351e-08 au
q 2.476246728497858 1.0641e-07 au
i 2.709896865109573 6.1778e-06 deg
node 25.45783544968151 9.3343e-05 deg
peri 106.9099538527798 0.0001019 deg
M 133.0693880255623 3.9508e-05 deg
tp 2458401.945077915265
(2018-Oct-10.44507792)
0.00017684 TDB
period 1619.303847020861
4.43
1.6517e-05
4.522e-08
d
yr
n .2223177575118564 2.2677e-09 deg/d
Q 2.921136760512699 1.9864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      1999-10-15  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59027  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:17:20  

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 ]
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