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129918 (1999 TP115)
Classification: Main-belt Asteroid          SPK-ID: 2129918
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 .1666544283041895 5.8574e-08  
a 2.364203547805992 1.076e-08 au
q 1.970198557151648 1.4244e-07 au
i 3.49140104368362 4.4739e-06 deg
node 244.561123995437 0.00010255 deg
peri 115.3578485854379 0.0001034 deg
M 253.1150472335031 1.4667e-05 deg
tp 2459394.721034106761
(2021-Jun-29.22103411)
5.5436e-05 TDB
period 1327.778780877366
3.64
9.0642e-06
2.482e-08
d
yr
n .2711295022820897 1.8509e-09 deg/d
Q 2.758208538460336 1.2553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      10009 days (27.40 yr)  
   first obs. used      1992-11-25  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:48:22  

Additional Information
 Earth MOID = .970057 au 
 Jupiter MOID = 2.70732 au 
 T_jup = 3.528 
[ 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 16.5   n/a MPO469356  
diameter diameter 1.263 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.305   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129918 (1999 TP115)          Discovered 1999-Oct-04 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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