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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352835876257686 1.1119e-07  
a 3.453600192369891 1.3681e-07 au
q 2.986384768121048 3.7974e-07 au
i 6.004008611791413 1.0856e-05 deg
node 207.0374006332839 8.7899e-05 deg
peri 230.3222900450529 0.00010044 deg
M 231.821798546489 5.0544e-05 deg
tp 2459835.176505812094
(2022-Sep-12.67650581)
0.00035908 TDB
period 2344.263990951195
6.42
0.00013929
3.814e-07
d
yr
n .1535663224745983 9.1248e-09 deg/d
Q 3.920815616618734 1.5532e-07 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      4335 days (11.87 yr)  
   first obs. used      2008-09-28  
   last obs. used      2020-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60786  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:24:25  

Additional Information
 Earth MOID = 2.00628 au 
 Jupiter MOID = 1.40442 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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