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249634 (1999 TP116)
Classification: Main-belt Asteroid          SPK-ID: 2249634
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1987479807715638 7.3824e-08  
a 3.076926800433199 3.1682e-08 au
q 2.465393811865193 2.356e-07 au
i 12.05144152620917 8.2442e-06 deg
node 12.09969411237354 2.5482e-05 deg
peri 345.4665484576756 2.9162e-05 deg
M 311.4488164752055 1.5912e-05 deg
tp 2459266.371321416347
(2021-Feb-20.87132142)
8.9644e-05 TDB
period 1971.397374092955
5.40
3.0448e-05
8.336e-08
d
yr
n .1826115854322049 2.8204e-09 deg/d
Q 3.688459789001206 3.7979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      1999-09-30  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:25:36  

Additional Information
 Earth MOID = 1.46419 au 
 Jupiter MOID = 1.77012 au 
 T_jup = 3.165 
[ 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 15.3   n/a MPO437159  
diameter diameter 2.636 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.193   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

249634 (1999 TP116)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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