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129922 (1999 TD124)
Classification: Main-belt Asteroid          SPK-ID: 2129922
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1457800118499205 5.0854e-08  
a 2.731404404542077 1.8443e-08 au
q 2.333220238081008 1.3975e-07 au
i 6.610422319658496 5.6432e-06 deg
node 168.6396851899503 3.9539e-05 deg
peri 218.1996666020314 4.2421e-05 deg
M 200.0006313744819 1.5361e-05 deg
tp 2459733.313064178100
(2022-Jun-02.81306418)
7.2864e-05 TDB
period 1648.835900856428
4.51
1.67e-05
4.572e-08
d
yr
n .2183358573239526 2.2114e-09 deg/d
Q 3.129588571003145 2.1132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      7511 days (20.56 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51092  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:48:21  

Additional Information
 Earth MOID = 1.34116 au 
 Jupiter MOID = 2.33205 au 
 T_jup = 3.329 
[ 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 15.7   n/a MPO469356  
diameter diameter 4.396 km 1.749 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129922 (1999 TD124)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1999 TD124 = 2003 OA10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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