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469481 (2002 TP91)
Classification: Main-belt Asteroid          SPK-ID: 2469481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2537777395740864 7.9586e-08  
a 2.306629646884326 1.5506e-08 au
q 1.721258389063449 1.8793e-07 au
i 3.484575614928161 1.0045e-05 deg
node 245.1731207364874 0.00013108 deg
peri 97.57967532075034 0.00013359 deg
M 36.43478526536499 2.0252e-05 deg
tp 2458870.997263686506
(2020-Jan-22.49726369)
7.1724e-05 TDB
period 1279.573482684301
3.50
1.2903e-05
3.533e-08
d
yr
n .2813437484221606 2.837e-09 deg/d
Q 2.892000904705204 1.9441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      6119 days (16.75 yr)  
   first obs. used      2002-10-03  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5599  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:30  

Additional Information
 Earth MOID = .717769 au 
 Jupiter MOID = 2.5368 au 
 T_jup = 3.541 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO477208  
diameter diameter 1.601 km 0.446 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469481 (2002 TP91)          Discovered 2002-Oct-03 by NEAT at Palomar
Reference: Last Updated: 2016-08-22

Alternate Designations
 2002 TP91 = 2009 TA5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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