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181237 (2005 TF154)
Classification: Main-belt Asteroid          SPK-ID: 2181237
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1881500853977122 6.2136e-08  
a 3.038900578299627 3.2833e-08 au
q 2.467131174977395 2.0309e-07 au
i 5.020842742553956 6.1543e-06 deg
node 331.9209750453712 4.4766e-05 deg
peri 15.61638632438153 4.6386e-05 deg
M 341.0597207598221 1.635e-05 deg
tp 2459302.302171389641
(2021-Mar-28.80217139)
8.9242e-05 TDB
period 1934.965225989267
5.30
3.1359e-05
8.586e-08
d
yr
n .1860498551419429 3.0152e-09 deg/d
Q 3.610669981621859 3.9011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      9029 days (24.72 yr)  
   first obs. used      1994-08-11  
   last obs. used      2019-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:47  

Additional Information
 Earth MOID = 1.45899 au 
 Jupiter MOID = 1.81587 au 
 T_jup = 3.208 
[ 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 15.5   n/a MPO436896  
diameter diameter 4.755 km 0.302 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181237 (2005 TF154)          Discovered 2005-Oct-08 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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