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129941 (1999 TB170)
Classification: Main-belt Asteroid          SPK-ID: 2129941
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09530019783805287 3.9825e-08  
a 2.882906574329102 1.8705e-08 au
q 2.608165007446915 1.1734e-07 au
i 1.245262251102653 4.2608e-06 deg
node 209.7555664752962 0.00021024 deg
peri 178.9453305486806 0.00021161 deg
M 71.93236718204938 2.3535e-05 deg
tp 2458643.255022803517
(2019-Jun-08.75502280)
0.00011658 TDB
period 1787.904344441312
4.90
1.7401e-05
4.764e-08
d
yr
n .2013530539926583 1.9597e-09 deg/d
Q 3.157648141211288 2.0488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7423 days (20.32 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57967  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:06:30  

Additional Information
 Earth MOID = 1.61294 au 
 Jupiter MOID = 2.25502 au 
 T_jup = 3.286 
[ 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 15.5   n/a MPO268061  
diameter diameter 2.554 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129941 (1999 TB170)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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