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JPL Small-Body Database Browser
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249623 (1999 TP46)
Classification: Main-belt Asteroid          SPK-ID: 2249623
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06017762800341863 5.7294e-08  
a 3.136416812146019 5.034e-08 au
q 2.947674687961028 1.9902e-07 au
i 15.94403585783204 8.895e-06 deg
node 19.62115854842527 2.2468e-05 deg
peri 268.5576207623775 9.6053e-05 deg
M 263.5454980807685 9.9117e-05 deg
tp 2459144.087033289849
(2020-Oct-21.58703329)		 0.00056613 TDB
period 2028.846016417278
5.55		 4.8845e-05
1.337e-07		 d
yr
n .1774407703132251 4.272e-09 deg/d
Q 3.325158936331011 5.337e-08 au
   Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      1999-10-04  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57168  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:33:23  

Additional Information
 Earth MOID = 1.98936 au 
 Jupiter MOID = 1.82211 au 
 T_jup = 3.149 
[ 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 15.4   n/a MPO396803  
diameter diameter 3.940 km 1.819 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249623 (1999 TP46)          Discovered 1999-Oct-04 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1999 TP46 = 2008 EB162 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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