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JPL Small-Body Database Browser
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249614 (1999 TT4)
Classification: Main-belt Asteroid          SPK-ID: 2249614
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 .3375743236101247 7.3557e-08  
a 3.114664016459447 3.3551e-08 au
q 2.063233417830355 2.1706e-07 au
i 27.0667338761454 1.2648e-05 deg
node 16.75296441290254 1.7337e-05 deg
peri 53.3351885398582 3.2996e-05 deg
M 180.7205574855188 2.1497e-05 deg
tp 2459600.369284866317
(2022-Jan-20.86928487)
0.00012685 TDB
period 2007.775891665878
5.50
3.2441e-05
8.882e-08
d
yr
n .1793028801144251 2.8971e-09 deg/d
Q 4.166094615088539 4.4876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      6837 days (18.72 yr)  
   first obs. used      1999-09-14  
   last obs. used      2018-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57263  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:57:02  

Additional Information
 Earth MOID = 1.16283 au 
 Jupiter MOID = 1.78853 au 
 T_jup = 2.968 
[ 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 MPO454851  
diameter diameter 4.690 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249614 (1999 TT4)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1999 TT4 = 2006 BN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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