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118879 (2000 TT54)
Classification: Main-belt Asteroid          SPK-ID: 2118879
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09856465994502964 4.6315e-08  
a 3.103011708333457 2.9146e-08 au
q 2.797164414496125 1.5503e-07 au
i 13.38385589224406 5.5769e-06 deg
node 80.79550459478409 2.1496e-05 deg
peri 263.3927595932831 3.5474e-05 deg
M 245.8625383628505 2.9354e-05 deg
tp 2459633.493510081714
(2022-Feb-22.99351008)
0.00016563 TDB
period 1996.519463117686
5.47
2.8129e-05
7.701e-08
d
yr
n .1803137944059099 2.5405e-09 deg/d
Q 3.40885900217079 3.2019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      7148 days (19.57 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59651  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:23:52  

Additional Information
 Earth MOID = 1.82989 au 
 Jupiter MOID = 1.98584 au 
 T_jup = 3.172 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO436571  
diameter diameter 4.025 km 0.924 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.173   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118879 (2000 TT54)          Discovered 2000-Oct-01 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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