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487951 (2015 TN251)
Classification: Main-belt Asteroid          SPK-ID: 2487951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08082562592666705 8.4381e-08  
a 2.76650337872709 3.4149e-08 au
q 2.542899011513234 2.4737e-07 au
i 4.348047581261901 8.1742e-06 deg
node 188.7646373263098 0.00010127 deg
peri 165.125337579076 0.00011055 deg
M 306.8549465515378 4.368e-05 deg
tp 2458848.616463115287
(2019-Dec-31.11646312)
0.00020469 TDB
period 1680.719482352647
4.60
3.1119e-05
8.52e-08
d
yr
n .2141939828626709 3.9659e-09 deg/d
Q 2.990107745940947 3.6909e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      6556 days (17.95 yr)  
   first obs. used      2001-09-21  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:51  

Additional Information
 Earth MOID = 1.53722 au 
 Jupiter MOID = 2.37045 au 
 T_jup = 3.330 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO413572  
diameter diameter 2.871 km 0.669 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

487951 (2015 TN251)          Discovered 2001-Sep-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TN251 = 2010 LH8 = 2010 VP35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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