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115448 (2003 TU9)
Classification: Main-belt Asteroid          SPK-ID: 2115448
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1830747324920718 5.3603e-08  
a 2.718533958701389 1.9966e-08 au
q 2.220839081441519 1.4625e-07 au
i 18.53743557367276 8.2731e-06 deg
node 327.4550580061464 1.5281e-05 deg
peri 111.2510168063503 2.6666e-05 deg
M 255.2153418691863 2.0319e-05 deg
tp 2459677.036060803207
(2022-Apr-07.53606080)
9.3705e-05 TDB
period 1637.195606202072
4.48
1.8036e-05
4.938e-08
d
yr
n .21988820311772 2.4224e-09 deg/d
Q 3.216228835961259 2.3621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      8914 days (24.41 yr)  
   first obs. used      1996-03-13  
   last obs. used      2020-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56124  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:37  

Additional Information
 Earth MOID = 1.30654 au 
 Jupiter MOID = 2.13136 au 
 T_jup = 3.261 
[ 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 15.66   n/a E2021B55  
diameter diameter 5.262 km 0.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115448 (2003 TU9)          Discovered 2003-Oct-14 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 TU9 = 1996 EX11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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