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487996 (2015 TW341)
Classification: Main-belt Asteroid          SPK-ID: 2487996
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2144751892066899 7.1348e-08  
a 2.857984531570688 9.5625e-08 au
q 2.245017758412272 2.4221e-07 au
i 17.59637500971872 1.1587e-05 deg
node 98.9556577388864 5.1973e-05 deg
peri 326.8187558837794 0.00025736 deg
M 299.6886403455134 0.00024289 deg
tp 2459296.154746908967
(2021-Mar-22.65474691)
0.0012044 TDB
period 1764.770509187323
4.83
8.8571e-05
2.425e-07
d
yr
n .2039925294115324 1.0238e-08 deg/d
Q 3.470951304729104 1.1613e-07 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      5557 days (15.21 yr)  
   first obs. used      2001-12-11  
   last obs. used      2017-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .60988  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:11:12  

Additional Information
 Earth MOID = 1.2785 au 
 Jupiter MOID = 1.86771 au 
 T_jup = 3.201 
[ 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 16.9   n/a MPO399198  

487996 (2015 TW341)          Discovered 2001-Dec-11 by LINEAR at Socorro
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 TW341 = 2001 XF80 = 2011 YN46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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