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487848 (2015 TX99)
Classification: Outer Main-belt Asteroid          SPK-ID: 2487848
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352835315407161 1.1627e-07  
a 3.453600128488426 1.5492e-07 au
q 2.986384906577041 3.8363e-07 au
i 6.003999739613238 1.2325e-05 deg
node 207.0373269978484 9.0171e-05 deg
peri 230.322366707675 0.00010354 deg
M 231.8218013455027 5.0833e-05 deg
tp 2459835.176464426755
(2022-Sep-12.67646443)
0.00035927 TDB
period 2344.263925908193
6.42
0.00015773
4.318e-07
d
yr
n .1535663267353876 1.0333e-08 deg/d
Q 3.920815350399811 1.7587e-07 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      3897 days (10.67 yr)  
   first obs. used      2008-09-28  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57686  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:44  

Additional Information
 Earth MOID = 2.00628 au 
 Jupiter MOID = 1.40443 au 
 T_jup = 3.112 
[ 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 16.4   n/a MPO381096  
diameter diameter 2.744 km 0.432 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

487848 (2015 TX99)          Discovered 2009-Nov-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 TX99 = 2010 EV15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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