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152805 (1999 TL180)
Classification: Outer Main-belt Asteroid          SPK-ID: 2152805
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636308332316913 4.4349e-08  
a 3.217862388871141 2.3564e-08 au
q 2.691320884955236 1.4101e-07 au
i 2.930455038136211 5.2955e-06 deg
node 241.9417887835118 9.3441e-05 deg
peri 184.0151730473862 9.4905e-05 deg
M 219.9282636379125 1.8208e-05 deg
tp 2460020.847086262430
(2023-Mar-17.34708626)
0.00011282 TDB
period 2108.383594896372
5.77
2.3159e-05
6.341e-08
d
yr
n .1707469176251555 1.8755e-09 deg/d
Q 3.744403892787046 2.742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7598 days (20.80 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:44  

Additional Information
 Earth MOID = 1.70446 au 
 Jupiter MOID = 1.56991 au 
 T_jup = 3.167 
[ 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 15.1   n/a MPO341493  
diameter diameter 5.929 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152805 (1999 TL180)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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