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181477 (2006 TN87)
Classification: Main-belt Asteroid          SPK-ID: 2181477
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07968519745560565 5.0744e-08  
a 2.757170750078967 2.2768e-08 au
q 2.537465054440104 1.3666e-07 au
i 4.29556121349346 5.7643e-06 deg
node 241.0915553479654 9.2689e-05 deg
peri 184.6469637387269 0.00010339 deg
M 11.30223249782541 4.7426e-05 deg
tp 2459148.000440814570
(2020-Oct-25.50044081)
0.0002201 TDB
period 1672.221953529214
4.58
2.0713e-05
5.671e-08
d
yr
n .2152824266182023 2.6666e-09 deg/d
Q 2.97687644571783 2.4582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      6994 days (19.15 yr)  
   first obs. used      2001-11-12  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54082  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:46  

Additional Information
 Earth MOID = 1.5504 au 
 Jupiter MOID = 2.26186 au 
 T_jup = 3.334 
[ 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 16.77   n/a MPCxxxxx  
diameter diameter 2.936 km 0.900 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181477 (2006 TN87)          Discovered 2006-Oct-13 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2006 TN87 = 2005 NG52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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